parsing of colors without hash didn't work

commons/src/main/java/lcsb/mapviewer/common/geometry/ColorParser.java

 package lcsb.mapviewer.common.geometry;
 
-import java.awt.*;
+import java.awt.Color;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -57,6 +57,9 @@ public class ColorParser {
           "Invalid color value: " + string + ". Correct format: #xxxxxx (where x is a hex value)");
     }
     
+    if (string.charAt(0) != '#') {
+      string = "#" + string;
+    }
     if (string.length() == COLOR_STRING_LENGTH_WITHOUT_ALPHA) {
       return parseColorWithoutAlpha(string);
     } else {
@@ -100,14 +103,14 @@ public class ColorParser {
   public Color parseColorWithAlpha(String string) {
     if (string == null || string.isEmpty()) {
       throw new InvalidArgumentException(
-          "Invalid color value: " + string + ". Correct format: #xxxxxx (where x is a hex value)");
+          "Invalid color value: " + string + ". Correct format: #xxxxxxxx (where x is a hex value)");
     }
     if (string.charAt(0) != '#') {
       string = "#" + string;
     }
     if (string.length() != COLOR_STRING_LENGTH_WITH_ALPHA) {
       throw new InvalidArgumentException(
-          "Invalid color value: " + string + ". Correct format: #xxxxxx (where x is a hex value)");
+          "Invalid color value: " + string + ". Correct format: #xxxxxxxx (where x is a hex value)");
     } else {
       return new Color(
           Integer.valueOf(string.substring(COLOR_SUBSTRING_START_RED, COLOR_SUBSTRING_START_GREEN), HEX_BASE),