diff --git a/model-command/src/main/java/lcsb/mapviewer/commands/ClearColorModelCommand.java b/model-command/src/main/java/lcsb/mapviewer/commands/ClearColorModelCommand.java
new file mode 100644
index 0000000000000000000000000000000000000000..a6ebee799eeba8375b4a17d52c85db414220d044
--- /dev/null
+++ b/model-command/src/main/java/lcsb/mapviewer/commands/ClearColorModelCommand.java
@@ -0,0 +1,37 @@
+package lcsb.mapviewer.commands;
+
+import java.awt.Color;
+import java.util.ArrayList;
+
+import lcsb.mapviewer.model.map.model.Model;
+
+public class ClearColorModelCommand extends ModelCommand {
+
+	ColorModelCommand colorModelCommand;
+
+	/**
+	 * Default constructor.
+	 * 
+	 * @param model
+	 *          original model
+	 */
+	public ClearColorModelCommand(Model model) {
+		super(model);
+		colorModelCommand = new ColorModelCommand(model, new ArrayList<>(), new ColorExtractor(Color.WHITE, Color.WHITE));
+	}
+
+	@Override
+	protected void undoImplementation() throws CommandExecutionException {
+		colorModelCommand.undo();
+	}
+
+	@Override
+	protected void redoImplementation() throws CommandExecutionException {
+		colorModelCommand.redo();
+	}
+
+	@Override
+	protected void executeImplementation() throws CommandExecutionException {
+		colorModelCommand.execute();
+	}
+}
diff --git a/model-command/src/main/java/lcsb/mapviewer/commands/ColorExtractor.java b/model-command/src/main/java/lcsb/mapviewer/commands/ColorExtractor.java
new file mode 100644
index 0000000000000000000000000000000000000000..96d2f90c3c7b70989af580e9c55f241c17192084
--- /dev/null
+++ b/model-command/src/main/java/lcsb/mapviewer/commands/ColorExtractor.java
@@ -0,0 +1,50 @@
+package lcsb.mapviewer.commands;
+
+import java.awt.Color;
+
+import lcsb.mapviewer.model.map.layout.ColorSchema;
+
+public class ColorExtractor {
+
+	private Color	minColor;
+	private Color	maxColor;
+
+	public ColorExtractor(Color minColor, Color maxColor) {
+		this.minColor = minColor;
+		this.maxColor = maxColor;
+	}
+
+	/**
+	 * Extracts color from {@link ColorSchema} object.
+	 * 
+	 * @return color from {@link ColorSchema} object
+	 */
+	public Color getNormalizedColor(ColorSchema colorSchema) {
+		if (colorSchema.getColor() != null) {
+			return colorSchema.getColor();
+		} else {
+			return getColorForValue(colorSchema.getValue());
+		}
+	}
+
+	/**
+	 * Returns color from red - green scale for the given normalized double value
+	 * (from range -1,1).
+	 * 
+	 * @param value
+	 *          double value that should be converted into color
+	 * @return color for the double value
+	 */
+	protected Color getColorForValue(Double value) {
+		if (value > 0) {
+			double ratio = (1 - value);
+			return new Color((int) (maxColor.getRed() * ratio), (int) (maxColor.getGreen() * ratio), (int) (maxColor.getBlue() * ratio));
+		}
+		if (value < 0) {
+			double ratio = 1 + value;
+			return new Color((int) (minColor.getRed() * ratio), (int) (minColor.getGreen() * ratio), (int) (minColor.getBlue() * ratio));
+		}
+		return Color.WHITE;
+	}
+
+}
diff --git a/model-command/src/main/java/lcsb/mapviewer/commands/ColorModelCommand.java b/model-command/src/main/java/lcsb/mapviewer/commands/ColorModelCommand.java
index 87d848c59c4a5217069f0c173a27d0c58afc8398..a7fdd4c95ff3c01686529337f38c3907c025549a 100644
--- a/model-command/src/main/java/lcsb/mapviewer/commands/ColorModelCommand.java
+++ b/model-command/src/main/java/lcsb/mapviewer/commands/ColorModelCommand.java
@@ -47,6 +47,8 @@ public class ColorModelCommand extends ModelCommand {
 	 */
 	private Collection<ColorSchema>	schemas;
 
+	private ColorExtractor					colorExtractor;
+
 	/**
 	 * Default constructor.
 	 * 
@@ -55,9 +57,10 @@ public class ColorModelCommand extends ModelCommand {
 	 * @param schemas
 	 *          set of color schemas used in this command to color model.
 	 */
-	public ColorModelCommand(Model model, Collection<ColorSchema> schemas) {
+	public ColorModelCommand(Model model, Collection<ColorSchema> schemas, ColorExtractor colorExtractor) {
 		super(model);
 		this.schemas = schemas;
+		this.colorExtractor = colorExtractor;
 	}
 
 	/**
@@ -75,7 +78,7 @@ public class ColorModelCommand extends ModelCommand {
 			throw new InvalidColorSchemaException("At least two rows try to set color to reaction: " + reaction.getIdReaction());
 		}
 
-		Color color = schema.getNormalizedColor();
+		Color color = colorExtractor.getNormalizedColor(schema);
 		for (AbstractNode node : reaction.getNodes()) {
 			node.getLine().setColor(color);
 			if (schema.getLineWidth() != null) {
@@ -148,7 +151,7 @@ public class ColorModelCommand extends ModelCommand {
 				throw new InvalidColorSchemaException("At least two rows try to set color to element: " + alias.getName());
 			}
 
-			alias.setColor(schema.getNormalizedColor());
+			alias.setColor(colorExtractor.getNormalizedColor(schema));
 		}
 
 	}
@@ -263,7 +266,7 @@ public class ColorModelCommand extends ModelCommand {
 			for (ColorSchema schema : schemas) {
 				for (Element alias : model2.getElements()) {
 					if (match(alias, schema)) {
-						if (result.get(alias) != null && !result.get(alias).getNormalizedColor().equals(Color.WHITE)) {
+						if (result.get(alias) != null && !colorExtractor.getNormalizedColor(result.get(alias)).equals(Color.WHITE)) {
 							throw new InvalidColorSchemaException("Alias " + alias.getElementId() + " is colored by more than one rule.");
 						}
 						result.put(alias, schema);
@@ -271,7 +274,7 @@ public class ColorModelCommand extends ModelCommand {
 				}
 				for (Reaction reaction : model2.getReactions()) {
 					if (match(reaction, schema)) {
-						if (result.get(reaction) != null && !result.get(reaction).getNormalizedColor().equals(Color.WHITE)) {
+						if (result.get(reaction) != null && !colorExtractor.getNormalizedColor(result.get(reaction)).equals(Color.WHITE)) {
 							throw new InvalidColorSchemaException("Reaction " + reaction.getIdReaction() + " is colored by more than one rule.");
 						}
 						result.put(reaction, schema);
diff --git a/model/src/main/java/lcsb/mapviewer/model/map/layout/ColorSchema.java b/model/src/main/java/lcsb/mapviewer/model/map/layout/ColorSchema.java
index 89840fce6753e72466ead3a93a1239b68894c15a..acd8c609582e43fae25722382962326aba125626 100644
--- a/model/src/main/java/lcsb/mapviewer/model/map/layout/ColorSchema.java
+++ b/model/src/main/java/lcsb/mapviewer/model/map/layout/ColorSchema.java
@@ -483,39 +483,6 @@ public abstract class ColorSchema implements Serializable {
 		this.types.add(clazz);
 	}
 
-	/**
-	 * Extracts color from {@link ColorSchema} object.
-	 * 
-	 * @return color from {@link ColorSchema} object
-	 */
-	public Color getNormalizedColor() {
-		if (getColor() != null) {
-			return getColor();
-		} else {
-			return getColorForValue(getValue());
-		}
-	}
-
-	/**
-	 * Returns color from red - green scale for the given normalized double value
-	 * (from range -1,1).
-	 * 
-	 * @param value
-	 *          double value that should be converted into color
-	 * @return color for the double value
-	 */
-	protected Color getColorForValue(Double value) {
-		if (value > 0) {
-			int val = (int) ((1 - value) * MAX_SINGLE_COLOR_VALUE_IN_RGB_FORMAT);
-			return new Color(val, MAX_SINGLE_COLOR_VALUE_IN_RGB_FORMAT, val);
-		}
-		if (value < 0) {
-			int val = (int) ((1 + value) * MAX_SINGLE_COLOR_VALUE_IN_RGB_FORMAT);
-			return new Color(MAX_SINGLE_COLOR_VALUE_IN_RGB_FORMAT, val, val);
-		}
-		return Color.WHITE;
-	}
-
 	/**
 	 * @return the description
 	 * @see #description
diff --git a/model/src/main/java/lcsb/mapviewer/model/user/ConfigurationElementEditType.java b/model/src/main/java/lcsb/mapviewer/model/user/ConfigurationElementEditType.java
new file mode 100644
index 0000000000000000000000000000000000000000..2b6256c70aa80e106c834518710bf14809d4b957
--- /dev/null
+++ b/model/src/main/java/lcsb/mapviewer/model/user/ConfigurationElementEditType.java
@@ -0,0 +1,45 @@
+package lcsb.mapviewer.model.user;
+
+/**
+ * Defines how the {@link ConfigurationElementType} should be edited (what kind
+ * of values we are storing).
+ * 
+ * @author Piotr Gawron
+ *
+ */
+public enum ConfigurationElementEditType {
+	/**
+	 * Double value.
+	 */
+	DOUBLE,
+
+	/**
+	 * Integer value.
+	 */
+	INTEGER,
+
+	/**
+	 * String value.
+	 */
+	STRING,
+
+	/**
+	 * Color value (for color picker).
+	 */
+	COLOR,
+
+	/**
+	 * Url value.
+	 */
+	URL,
+	
+	/**
+	 * Email value.
+	 */
+	EMAIL,
+	
+	/**
+	 * Password value.
+	 */
+	PASSWORD, 
+}
diff --git a/model/src/main/java/lcsb/mapviewer/model/user/ConfigurationElementType.java b/model/src/main/java/lcsb/mapviewer/model/user/ConfigurationElementType.java
index d77ddc26da96f9b903854fec6f14f24633f114e7..c362722b3e7ffa56f7bca66707bbac90e61943ed 100644
--- a/model/src/main/java/lcsb/mapviewer/model/user/ConfigurationElementType.java
+++ b/model/src/main/java/lcsb/mapviewer/model/user/ConfigurationElementType.java
@@ -1,162 +1,181 @@
-package lcsb.mapviewer.model.user;
-
-/**
- * This enum defines all possible configuration parameter that are configurable
- * by the user.
- * 
- * @author Piotr Gawron
- * 
- */
-public enum ConfigurationElementType {
-
-	/**
-	 * Email address used for sending email from the system.
-	 */
-	EMAIL_ADDRESS("E-mail address", "your.account@domain.com"), //
-
-	/**
-	 * Login for the email account.
-	 */
-	EMAIL_LOGIN("E-mail server login", "your@login"), //
-
-	/**
-	 * Password for the email account.
-	 */
-	EMAIL_PASSWORD("E-mail server password", "email.secret.password"), //
-
-	/**
-	 * Addres of the imap server.
-	 */
-	EMAIL_IMAP_SERVER("IMAP server", "your.imap.domain.com"), //
-
-	/**
-	 * Address of the smtp server.
-	 */
-	EMAIL_SMTP_SERVER("SMTP server", "your.smtp.domain.com"), //
-
-	/**
-	 * Port used for smtp connection (sending emails).
-	 */
-	EMAIL_SMTP_PORT("SMTP port", "25"), //
-
-	/**
-	 * Default map that should be presented if no map is selected by user side.
-	 */
-	DEFAULT_MAP("Default Project Id", "empty"), //
-
-	/**
-	 * Logo presented in the system.
-	 */
-	LOGO_IMG("Logo icon", "udl.png"), //
-
-	/**
-	 * Address connected to the logo.
-	 */
-	LOGO_LINK("Logo link (after click)", "http://wwwen.uni.lu/"), //
-
-	/**
-	 * Maximum distance (in pixels) that is allowed during finding closest element
-	 * on the map.
-	 */
-	SEARCH_DISTANCE("Max distance for clicking on element (px)", "10"),
-
-	/**
-	 * Email used for requesting an account (in client side).
-	 */
-	REQUEST_ACCOUNT_EMAIL("Email used for requesting an account", "your.email@domain.com"),
-
-	/**
-	 * Max number of results in search box.
-	 */
-	SEARCH_RESULT_NUMBER("Max number of results in search box. ", "100"),
-
-	/**
-	 * Google Analytics tracking ID used for statistics. This tracking ID should
-	 * look like "UA-000000-01". More information about tracking ID can be found
-	 * <a href="https://support.google.com/analytics/answer/1032385?hl=en"> here
-	 * </a>.
-	 */
-	GOOGLE_ANALYTICS_IDENTIFIER("Google Analytics tracking ID used for statistics", ""),
-
-	/**
-	 * Description of the logo presented in the system.
-	 */
-	LOGO_TEXT("Logo description", "University of Luxembourg"),
-
-	/**
-	 * Domain allowed to connect via x-frame technology.
-	 */
-	X_FRAME_DOMAIN("Domain allowed to connect via x-frame technology", ""),
-
-	/**
-	 * Relative directory (in webapps folder) where big files will be stored.
-	 */
-	BIG_FILE_STORAGE_DIR("Path to store big files", "minerva-big/"),
-
-	/**
-	 * File where legend 1/4 is stored.
-	 */
-	LENGEND_FILE_1("Legend 1 image file", "resources/images/legend_a.png"),
-	
-	/**
-	 * File where legend 2/4 is stored.
-	 */
-	LENGEND_FILE_2("Legend 2 image file", "resources/images/legend_b.png"),
-	
-	/**
-	 * File where legend 3/4 is stored.
-	 */
-	LENGEND_FILE_3("Legend 3 image file", "resources/images/legend_c.png"),
-	
-	/**
-	 * File where legend 4/4 is stored.
-	 */
-	LENGEND_FILE_4("Legend 4 image file", "resources/images/legend_d.png"),
-	
-	/**
-	 * File where legend 4/4 is stored.
-	 */
-	USER_MANUAL_FILE("User manual file", "resources/other/user_guide.pdf");
-	
-
-	/**
-	 * Default value of the configuration parameter (it will be used only when
-	 * value doesn't exist in the DAO).
-	 */
-	private String defaultValue	= "";
-
-	/**
-	 * Common name used for visualization (query user).
-	 */
-	private String commonName		= "";
-
-	/**
-	 * Default constructor.
-	 * 
-	 * @param commonName
-	 *          common name used for this parameter
-	 * @param defaultVal
-	 *          default value assigned to this parameter
-	 */
-	ConfigurationElementType(String commonName, String defaultVal) {
-		this.defaultValue = defaultVal;
-		this.commonName = commonName;
-	}
-
-	/**
-	 * @return the defaultValue
-	 * @see #defaultValue
-	 */
-	public String getDefaultValue() {
-		return defaultValue;
-	}
-
-	/**
-	 * @return the commonName
-	 * @see #commonName
-	 */
-	public String getCommonName() {
-		return commonName;
-	}
-
-}
+package lcsb.mapviewer.model.user;
+
+/**
+ * This enum defines all possible configuration parameter that are configurable
+ * by the user.
+ * 
+ * @author Piotr Gawron
+ * 
+ */
+public enum ConfigurationElementType {
+
+	/**
+	 * Email address used for sending email from the system.
+	 */
+	EMAIL_ADDRESS("E-mail address", "your.account@domain.com", ConfigurationElementEditType.EMAIL), //
+
+	/**
+	 * Login for the email account.
+	 */
+	EMAIL_LOGIN("E-mail server login", "your@login", ConfigurationElementEditType.STRING), //
+
+	/**
+	 * Password for the email account.
+	 */
+	EMAIL_PASSWORD("E-mail server password", "email.secret.password", ConfigurationElementEditType.PASSWORD), //
+
+	/**
+	 * Addres of the imap server.
+	 */
+	EMAIL_IMAP_SERVER("IMAP server", "your.imap.domain.com", ConfigurationElementEditType.STRING), //
+
+	/**
+	 * Address of the smtp server.
+	 */
+	EMAIL_SMTP_SERVER("SMTP server", "your.smtp.domain.com", ConfigurationElementEditType.STRING), //
+
+	/**
+	 * Port used for smtp connection (sending emails).
+	 */
+	EMAIL_SMTP_PORT("SMTP port", "25", ConfigurationElementEditType.INTEGER), //
+
+	/**
+	 * Default map that should be presented if no map is selected by user side.
+	 */
+	DEFAULT_MAP("Default Project Id", "empty", ConfigurationElementEditType.STRING), //
+
+	/**
+	 * Logo presented in the system.
+	 */
+	LOGO_IMG("Logo icon", "udl.png", ConfigurationElementEditType.URL), //
+
+	/**
+	 * Address connected to the logo.
+	 */
+	LOGO_LINK("Logo link (after click)", "http://wwwen.uni.lu/", ConfigurationElementEditType.URL), //
+
+	/**
+	 * Maximum distance (in pixels) that is allowed during finding closest element
+	 * on the map.
+	 */
+	SEARCH_DISTANCE("Max distance for clicking on element (px)", "10", ConfigurationElementEditType.DOUBLE),
+
+	/**
+	 * Email used for requesting an account (in client side).
+	 */
+	REQUEST_ACCOUNT_EMAIL("Email used for requesting an account", "your.email@domain.com", ConfigurationElementEditType.EMAIL),
+
+	/**
+	 * Max number of results in search box.
+	 */
+	SEARCH_RESULT_NUMBER("Max number of results in search box. ", "100", ConfigurationElementEditType.INTEGER),
+
+	/**
+	 * Google Analytics tracking ID used for statistics. This tracking ID should
+	 * look like "UA-000000-01". More information about tracking ID can be found
+	 * <a href="https://support.google.com/analytics/answer/1032385?hl=en"> here
+	 * </a>.
+	 */
+	GOOGLE_ANALYTICS_IDENTIFIER("Google Analytics tracking ID used for statistics", "", ConfigurationElementEditType.STRING),
+
+	/**
+	 * Description of the logo presented in the system.
+	 */
+	LOGO_TEXT("Logo description", "University of Luxembourg", ConfigurationElementEditType.STRING),
+
+	/**
+	 * Domain allowed to connect via x-frame technology.
+	 */
+	X_FRAME_DOMAIN("Domain allowed to connect via x-frame technology", "", ConfigurationElementEditType.URL),
+
+	/**
+	 * Relative directory (in webapps folder) where big files will be stored.
+	 */
+	BIG_FILE_STORAGE_DIR("Path to store big files", "minerva-big/", ConfigurationElementEditType.STRING),
+
+	/**
+	 * File where legend 1/4 is stored.
+	 */
+	LENGEND_FILE_1("Legend 1 image file", "resources/images/legend_a.png", ConfigurationElementEditType.URL),
+
+	/**
+	 * File where legend 2/4 is stored.
+	 */
+	LENGEND_FILE_2("Legend 2 image file", "resources/images/legend_b.png", ConfigurationElementEditType.URL),
+
+	/**
+	 * File where legend 3/4 is stored.
+	 */
+	LENGEND_FILE_3("Legend 3 image file", "resources/images/legend_c.png", ConfigurationElementEditType.URL),
+
+	/**
+	 * File where legend 4/4 is stored.
+	 */
+	LENGEND_FILE_4("Legend 4 image file", "resources/images/legend_d.png", ConfigurationElementEditType.URL),
+
+	/**
+	 * File where legend 4/4 is stored.
+	 */
+	USER_MANUAL_FILE("User manual file", "resources/other/user_guide.pdf", ConfigurationElementEditType.URL),
+
+	MIN_COLOR_VAL("Overlay color for negative values", "FF0000", ConfigurationElementEditType.COLOR),
+
+	MAX_COLOR_VAL("Overlay color for postive values", "0000FF", ConfigurationElementEditType.COLOR);
+
+	/**
+	 * Default value of the configuration parameter (it will be used only when
+	 * value doesn't exist in the DAO).
+	 */
+	private String											 defaultValue	= "";
+
+	/**
+	 * Common name used for visualization (query user).
+	 */
+	private String											 commonName		= "";
+
+	/**
+	 * How we want to edit specific param.
+	 */
+	private ConfigurationElementEditType editType			= null;
+
+	/**
+	 * Default constructor.
+	 * 
+	 * @param commonName
+	 *          common name used for this parameter
+	 * @param editType
+	 *          type defining how we want to edit this configuration param
+	 * @param defaultVal
+	 *          default value assigned to this parameter
+	 */
+	ConfigurationElementType(String commonName, String defaultVal, ConfigurationElementEditType editType) {
+		this.defaultValue = defaultVal;
+		this.commonName = commonName;
+		this.editType = editType;
+	}
+
+	/**
+	 * @return the defaultValue
+	 * @see #defaultValue
+	 */
+	public String getDefaultValue() {
+		return defaultValue;
+	}
+
+	/**
+	 * @return the commonName
+	 * @see #commonName
+	 */
+	public String getCommonName() {
+		return commonName;
+	}
+
+	/**
+	 * @return the editType
+	 * @see #editType
+	 */
+	public ConfigurationElementEditType getEditType() {
+		return editType;
+	}
+
+}
diff --git a/model/src/test/java/lcsb/mapviewer/model/map/layout/ColorSchemaTest.java b/model/src/test/java/lcsb/mapviewer/model/map/layout/ColorSchemaTest.java
index 181cce38fadefea6779a548ccf367130209b1207..7d37060cce154cd6bc62b87efbf1f92af1c4bc07 100644
--- a/model/src/test/java/lcsb/mapviewer/model/map/layout/ColorSchemaTest.java
+++ b/model/src/test/java/lcsb/mapviewer/model/map/layout/ColorSchemaTest.java
@@ -113,35 +113,6 @@ public class ColorSchemaTest {
 		}
 	}
 
-	@Test
-	public void testGetColorForValue() throws Exception {
-		try {
-			ColorSchema cs = new GenericColorSchema();
-			assertEquals(Color.GREEN, cs.getColorForValue(1.0));
-			assertEquals(Color.RED, cs.getColorForValue(-1.0));
-			assertEquals(Color.WHITE, cs.getColorForValue(0.0));
-		} catch (Exception e) {
-			e.printStackTrace();
-			throw e;
-		}
-	}
-
-	@Test
-	public void testGetNormalizedColor() throws Exception {
-		try {
-			ColorSchema cs = new GenericColorSchema();
-			cs.setColor(Color.BLUE);
-			assertEquals(Color.BLUE, cs.getNormalizedColor());
-
-			cs = new GenericColorSchema();
-			cs.setValue(1.0);
-			assertEquals(Color.GREEN, cs.getNormalizedColor());
-		} catch (Exception e) {
-			e.printStackTrace();
-			throw e;
-		}
-	}
-
 	@Test
 	public void testToString() throws Exception {
 		try {
diff --git a/service/src/main/java/lcsb/mapviewer/services/impl/ProjectService.java b/service/src/main/java/lcsb/mapviewer/services/impl/ProjectService.java
index d011bcb4568127dbafedbae38010cb727c10897b..e397a1208dd6bd89aab2b5b98325cfe03e7162dd 100644
--- a/service/src/main/java/lcsb/mapviewer/services/impl/ProjectService.java
+++ b/service/src/main/java/lcsb/mapviewer/services/impl/ProjectService.java
@@ -36,6 +36,7 @@ import lcsb.mapviewer.annotation.services.TaxonomyBackend;
 import lcsb.mapviewer.annotation.services.TaxonomySearchException;
 import lcsb.mapviewer.annotation.services.annotators.AnnotatorException;
 import lcsb.mapviewer.annotation.services.annotators.ElementAnnotator;
+import lcsb.mapviewer.commands.ClearColorModelCommand;
 import lcsb.mapviewer.commands.ColorModelCommand;
 import lcsb.mapviewer.commands.CommandExecutionException;
 import lcsb.mapviewer.commands.CopyCommand;
@@ -603,7 +604,7 @@ public class ProjectService implements IProjectService {
 					}
 					if (layout.getTitle().equals(BuildInLayout.CLEAN.getTitle())) {
 						output = new CopyCommand(model).execute();
-						new ColorModelCommand(output, new ArrayList<>()).execute();
+						new ClearColorModelCommand(output).execute();
 					}
 
 					final double imgCounter = counter;
diff --git a/service/src/main/java/lcsb/mapviewer/services/search/layout/FullLayoutAliasViewFactory.java b/service/src/main/java/lcsb/mapviewer/services/search/layout/FullLayoutAliasViewFactory.java
index d58e285eff71e012da61010728b7134e70350deb..e42bc74452ab802039cdd8f87ac09afeb0eff40f 100644
--- a/service/src/main/java/lcsb/mapviewer/services/search/layout/FullLayoutAliasViewFactory.java
+++ b/service/src/main/java/lcsb/mapviewer/services/search/layout/FullLayoutAliasViewFactory.java
@@ -29,7 +29,7 @@ public class FullLayoutAliasViewFactory extends ElementViewFactory<Pair<Element,
 		ColorSchema schema = pair.getRight();
 
 		FullLayoutAliasView result = new FullLayoutAliasView(pair.getLeft());
-		result.setColor(schema.getNormalizedColor());
+		result.setColor(schema.getColor());
 		result.setValue(schema.getValue());
 		result.setDescription(schema.getDescription());
 		if (schema instanceof GeneVariationColorSchema) {
diff --git a/service/src/main/java/lcsb/mapviewer/services/search/layout/LightLayoutAliasViewFactory.java b/service/src/main/java/lcsb/mapviewer/services/search/layout/LightLayoutAliasViewFactory.java
index 4d0c874fd4ccdb43ba5b1fce35c77faa03fa3dba..0f37f3a0afe17a79edab2d9858bb2aed061e0d71 100644
--- a/service/src/main/java/lcsb/mapviewer/services/search/layout/LightLayoutAliasViewFactory.java
+++ b/service/src/main/java/lcsb/mapviewer/services/search/layout/LightLayoutAliasViewFactory.java
@@ -25,7 +25,7 @@ public class LightLayoutAliasViewFactory extends ElementViewFactory<Pair<Element
 	@Override
 	public LightLayoutAliasView create(Pair<Element, ColorSchema> pair) {
 		LightLayoutAliasView result = new LightLayoutAliasView(pair.getLeft());
-		result.setColor(pair.getRight().getNormalizedColor());
+		result.setColor(pair.getRight().getColor());
 		result.setValue(pair.getRight().getValue());
 		return result;
 	}
diff --git a/web/src/main/java/lcsb/mapviewer/bean/ConfigurationBean.java b/web/src/main/java/lcsb/mapviewer/bean/ConfigurationBean.java
index 188034072a1b3516267093ddd444fe835e5a7cc8..73cfaa9548eb8c570077a00f6727f74dd2183873 100644
--- a/web/src/main/java/lcsb/mapviewer/bean/ConfigurationBean.java
+++ b/web/src/main/java/lcsb/mapviewer/bean/ConfigurationBean.java
@@ -83,7 +83,7 @@ public class ConfigurationBean extends AbstractManagedBean implements Serializab
 	/**
 	 * List of values for all possible configurable parameters.
 	 */
-	private List<ConfigurationView>								values								 = new ArrayList<ConfigurationView>();
+	private List<ConfigurationView>								values								 = new ArrayList<>();
 
 	/**
 	 * Release version of the framework.
diff --git a/web/src/main/java/lcsb/mapviewer/bean/ExportBean.java b/web/src/main/java/lcsb/mapviewer/bean/ExportBean.java
index 9650be2c4d8e7bbfba278a4ebc4fb3a2343798dd..77545c81132c6f1792c873d3413488f8f6d70e3e 100644
--- a/web/src/main/java/lcsb/mapviewer/bean/ExportBean.java
+++ b/web/src/main/java/lcsb/mapviewer/bean/ExportBean.java
@@ -34,6 +34,7 @@ import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
 
 import lcsb.mapviewer.bean.MapBean.ClientMapData;
+import lcsb.mapviewer.commands.ClearColorModelCommand;
 import lcsb.mapviewer.commands.ColorModelCommand;
 import lcsb.mapviewer.commands.CopyCommand;
 import lcsb.mapviewer.commands.SubModelCommand;
@@ -1147,7 +1148,7 @@ public class ExportBean extends AbstractManagedBean {
 				// this might not return true if we change CLEAN.title in future...
 
 				// if it's clean then remove coloring
-				new ColorModelCommand(colorModel, new HashSet<>()).execute();
+				new ClearColorModelCommand(colorModel).execute();
 			}
 			for (Element alias : colorModel.getElements()) {
 				alias.setVisibilityLevel(0);
diff --git a/web/src/main/webapp/admin/configuration.xhtml b/web/src/main/webapp/admin/configuration.xhtml
index 9202732b32a8ff4f7c5f3eb1402644802258eb47..7c63080fcaff4eed72e339864048b1951a29717f 100644
--- a/web/src/main/webapp/admin/configuration.xhtml
+++ b/web/src/main/webapp/admin/configuration.xhtml
@@ -56,6 +56,7 @@ global parameters of the MINERVA instance. More information can be found in the
 	
 				<p:column sortBy="value" headerText="Value">	
 					<p:inputText value="#{configuration.value}" />	
+					<p:colorPicker value="#{configuration.value}"  rendered="#{configuration.type.editType == 'COLOR'}"/>
 				</p:column>	
 	
 			</p:dataTable>