diff --git a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/BarChartHandler.java b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/BarChartHandler.java
index 2b5e683..addd380 100644
--- a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/BarChartHandler.java
+++ b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/BarChartHandler.java
@@ -84,7 +84,7 @@ public class BarChartHandler extends AggregateHandler {
                 gnuplotTitle(title), //
                 GnuplotLineType.Bar, //
                 gnuplotXYAxis(), //
-                lineStyle.brighter()//
+                lineStyle.asGnuplotLineStyleBright()//
         );
     }
 
diff --git a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/CumulativeDistributionHandler.java b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/CumulativeDistributionHandler.java
index e8d8794..d61ce77 100644
--- a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/CumulativeDistributionHandler.java
+++ b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/CumulativeDistributionHandler.java
@@ -78,7 +78,7 @@ public class CumulativeDistributionHandler extends AggregateHandler {
                 aggregatedData.getDataFile().getAbsolutePath(), //
                 gnuplotTitle(title), //
                 gnuplotXYAxis(), //
-                lineStyle.darker()//
+                lineStyle.asGnuplotLineStyleBright()//
         );
     }
 
diff --git a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/HistogramHandler.java b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/HistogramHandler.java
index 36637e0..0e0ac6a 100644
--- a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/HistogramHandler.java
+++ b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/HistogramHandler.java
@@ -62,7 +62,7 @@ public class HistogramHandler extends AggregateHandler {
                 aggregatedData.getDataFile().getAbsolutePath(), //
                 gnuplotTitle(title), //
                 gnuplotXYAxis(), //
-                lineStyle.darker()//
+                lineStyle.asGnuplotLineStyleDark()//
         );
     }
 
diff --git a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ParallelRequestsAggregate.java b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ParallelRequestsAggregate.java
index 3c4e8f2..a450ae7 100644
--- a/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ParallelRequestsAggregate.java
+++ b/pdb-plotting/src/main/java/org/lucares/pdb/plot/api/ParallelRequestsAggregate.java
@@ -55,7 +55,7 @@ public class ParallelRequestsAggregate extends AggregateHandler {
                 aggregatedData.getDataFile().getAbsolutePath(), //
                 gnuplotTitle(title), //
                 gnuplotXYAxis(), //
-                lineStyle.brighter().asGnuplotLineStyle()//
+                lineStyle.asGnuplotLineStyleDark()//
         );
     }
 
diff --git a/pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotColor.java b/pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotColor.java
index 318aa28..a4da056 100644
--- a/pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotColor.java
+++ b/pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotColor.java
@@ -1,55 +1,33 @@
 package org.lucares.recommind.logs;
 
-import java.awt.Color;
-
 public class GnuplotColor {
-    private final String color; // hex: 00efcc
 
-    private GnuplotColor(String color) {
-        this.color = color;
+    private final String bright, normal, dark; // hex: 00efcc
+
+    private GnuplotColor(final String bright, final String normal, final String dark) {
+        this.bright = bright;
+        this.normal = normal;
+        this.dark = dark;
     }
 
-    public static GnuplotColor byHex(String aHex) {
-        return new GnuplotColor(aHex);
+    public static GnuplotColor byHex(final String bright, final String normal, final String dark) {
+        return new GnuplotColor(bright, normal, dark);
     }
 
-    public static GnuplotColor byAwtColor(Color color) {
-
-        final String hex = String.format("%02x%02x%02x", //
-                color.getRed(), //
-                color.getGreen(), //
-                color.getBlue()//
-        );
-
-        return new GnuplotColor(hex);
+    public String getBright() {
+        return bright;
     }
 
     public String getColor() {
-        return "rgb \"#" + color + "\"";
+        return normal;
+    }
+
+    public String getDark() {
+        return dark;
     }
 
     @Override
     public String toString() {
         return getColor();
     }
-
-    Color toAwtColor() {
-        int red = Integer.parseInt(color.substring(0, 2), 16);
-        int green = Integer.parseInt(color.substring(2, 4), 16);
-        int blue = Integer.parseInt(color.substring(4, 6), 16);
-        return new Color(red, green, blue);
-    }
-
-    public GnuplotColor brighter() {
-
-        final Color brighterColor = toAwtColor().brighter();
-
-        return byAwtColor(brighterColor);
-    }
-
-    public GnuplotColor darker() {
-
-        final Color darkerColor = toAwtColor().darker();
-        return byAwtColor(darkerColor);
-    }
 }
diff --git a/pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotColorPalettes.java b/pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotColorPalettes.java
index 8b7e1e7..4f263a4 100644
--- a/pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotColorPalettes.java
+++ b/pdb-plotting/src/main/java/org/lucares/recommind/logs/GnuplotColorPalettes.java
@@ -24,27 +24,24 @@ public interface GnuplotColorPalettes {
      * <div style="background-color: #FF69B4; display:inline; padding:
      * 8px;">#FF69B4</div>
      */
-
-    List<GnuplotColor> GNUPLOT = Arrays.asList(//
-            GnuplotColor.byHex("9400D3"), // purple
-            GnuplotColor.byHex("009e73"), // green
-            GnuplotColor.byHex("56b4e9"), // light blue
-            GnuplotColor.byHex("e69f00"), // orange
-            GnuplotColor.byHex("f0e442"), // yellow
-            GnuplotColor.byHex("0072b2"), // blue
-            GnuplotColor.byHex("e51e10"), // red
-            GnuplotColor.byHex("FF69B4")// magenta
-    );
+    /*
+     * List<GnuplotColor> GNUPLOT = Arrays.asList(// GnuplotColor.byHex("9400D3"),
+     * // purple GnuplotColor.byHex("009e73"), // green
+     * GnuplotColor.byHex("56b4e9"), // light blue GnuplotColor.byHex("e69f00"), //
+     * orange GnuplotColor.byHex("f0e442"), // yellow GnuplotColor.byHex("0072b2"),
+     * // blue GnuplotColor.byHex("e51e10"), // red GnuplotColor.byHex("FF69B4")//
+     * magenta );
+     */
 
     List<GnuplotColor> GNUPLOT_REORDERED = Arrays.asList(//
-            GnuplotColor.byHex("0072b2"), // blue 00A2FF, 0091E6, 0072B2, 005180, 002840
-            GnuplotColor.byHex("e69f00"), // orange FFAE00, E69F00, BF8300, 805700, 402C00
-            GnuplotColor.byHex("9400D3"), // purple B300FF, A100E6, 9400D3, 590080, 2D0040
-            GnuplotColor.byHex("009e73"), // green
-            GnuplotColor.byHex("f0e442"), // yellow
-            GnuplotColor.byHex("e51e10"), // red
-            GnuplotColor.byHex("56b4e9"), // lightblue
-            GnuplotColor.byHex("FF69B4")// magenta
+            GnuplotColor.byHex("0060e6", "0051c2", "003580"), // blue 006aff, 0060e6, 0051c2, 003580, 001b40
+            GnuplotColor.byHex("E69F00", "BF8300", "805700"), // orange FFAE00, E69F00, BF8300, 805700, 402C00
+            GnuplotColor.byHex("A100E6", "9400D3", "590080"), // purple B300FF, A100E6, 9400D3, 590080, 2D0040
+            GnuplotColor.byHex("00e663", "00c254", "008037"), // green
+            GnuplotColor.byHex("FFFF00", "E6e600", "c2c200"), // yellow
+            GnuplotColor.byHex("FF2200", "e51e10", "C211a00"), // "FF2200","e51e10","C211a00","801100","400800"
+            GnuplotColor.byHex("67bee6", "57a1c2", "396980"), // "73d3ff", "67bee6", "57a1c2","396980","1d3540"
+            GnuplotColor.byHex("E040E6", "BD36C2", "7C2480")// "F947FF", "E040E6", "BD36C2", "7C2480", "3E1240"
     );
 
     /**
@@ -67,15 +64,13 @@ public interface GnuplotColorPalettes {
      * 
      * 
      */
-    List<GnuplotColor> MATPLOTLIB = Arrays.asList(//
-            GnuplotColor.byHex("1f77b4"), // blue
-            GnuplotColor.byHex("ff7f0e"), // orange
-            GnuplotColor.byHex("d62728"), // red
-            GnuplotColor.byHex("2ca02c"), // green
-            GnuplotColor.byHex("fdbb6c"), // light orange
-            GnuplotColor.byHex("b3df72"), // light green
-            GnuplotColor.byHex("feffbe")// light yellow
-    );
+    /*
+     * List<GnuplotColor> MATPLOTLIB = Arrays.asList(//
+     * GnuplotColor.byHex("1f77b4"), // blue GnuplotColor.byHex("ff7f0e"), // orange
+     * GnuplotColor.byHex("d62728"), // red GnuplotColor.byHex("2ca02c"), // green
+     * GnuplotColor.byHex("fdbb6c"), // light orange GnuplotColor.byHex("b3df72"),
+     * // light green GnuplotColor.byHex("feffbe")// light yellow );
+     */
 
     List<GnuplotColor> DEFAULT = GNUPLOT_REORDERED;
 }
diff --git a/pdb-plotting/src/main/java/org/lucares/recommind/logs/LineStyle.java b/pdb-plotting/src/main/java/org/lucares/recommind/logs/LineStyle.java
index bbe766a..317b51a 100644
--- a/pdb-plotting/src/main/java/org/lucares/recommind/logs/LineStyle.java
+++ b/pdb-plotting/src/main/java/org/lucares/recommind/logs/LineStyle.java
@@ -10,23 +10,28 @@ public class LineStyle {
         this.dashType = dashType;
     }
 
-    public String asGnuplotLineStyle() {
-        return String.format("lt %s dt %s ", //
-                color.getColor(), //
+    private String asGnuplotLineStyle(final String colorHex) {
+        return String.format("lt rgb \"#%s\" dt %s ", //
+                colorHex, //
                 dashType.toGnuplotDashType()//
         );
     }
 
+    public String asGnuplotLineStyleBright() {
+        return asGnuplotLineStyle(color.getBright());
+    }
+
+    public String asGnuplotLineStyle() {
+        return asGnuplotLineStyle(color.getColor());
+    }
+
+    public String asGnuplotLineStyleDark() {
+        return asGnuplotLineStyle(color.getDark());
+    }
+
     @Override
     public String toString() {
         return asGnuplotLineStyle();
     }
 
-    public LineStyle brighter() {
-        return new LineStyle(color.brighter(), dashType);
-    }
-
-    public LineStyle darker() {
-        return new LineStyle(color.darker(), dashType);
-    }
 }