diff --git a/core/java/com/android/internal/colorextraction/types/Tonal.java b/core/java/com/android/internal/colorextraction/types/Tonal.java
index 9b7383fcbe8ac..7b25a0691c406 100644
--- a/core/java/com/android/internal/colorextraction/types/Tonal.java
+++ b/core/java/com/android/internal/colorextraction/types/Tonal.java
@@ -405,12 +405,13 @@ public class Tonal implements ExtractionType {
         return v - (float) Math.floor(v);
     }
 
-    static class TonalPalette {
-        final float[] h;
-        final float[] s;
-        final float[] l;
-        final float minHue;
-        final float maxHue;
+    @VisibleForTesting
+    public static class TonalPalette {
+        public final float[] h;
+        public final float[] s;
+        public final float[] l;
+        public final float minHue;
+        public final float maxHue;
 
         TonalPalette(float[] h, float[] s, float[] l) {
             if (h.length != s.length || s.length != l.length) {
diff --git a/core/res/res/xml/color_extraction.xml b/core/res/res/xml/color_extraction.xml
index 7d52b20f76148..93ab0ff26754e 100644
--- a/core/res/res/xml/color_extraction.xml
+++ b/core/res/res/xml/color_extraction.xml
@@ -257,52 +257,58 @@
         <!-- Red Orange -->
         <range h="20, 40"
                s="0.7, 1"
-               l="0.28, 0.643"/>
+               l="0.2, 0.643"/>
         <range h="20, 40"
                s="0.3, 0.7"
                l="0.414, 0.561"/>
         <range h="20, 40"
-               s="0, 3"
+               s="0, 0.3"
                l="0.343, 0.584"/>
         <!-- Orange -->
         <range h="40, 60"
                s="0.7, 1"
-               l="0.173, 0.349"/>
+               l="0.173, 0.38"/>
         <range h="40, 60"
                s="0.3, 0.7"
                l="0.233, 0.427"/>
         <range h="40, 60"
                s="0, 0.3"
-               l="0.231, 0.484"/>
+               l="0.231, 0.48"/>
         <!-- Yellow 60 -->
         <range h="60, 80"
                s="0.7, 1"
-               l="0.488, 0.737"/>
+               l="0.15, 0.40"/>
         <range h="60, 80"
                s="0.3, 0.7"
-               l="0.673, 0.837"/>
+               l="0.15, 0.42"/>
+        <range h="60, 80"
+               s="0, 0.3"
+               l="0.35, 0.57"/>
         <!-- Yellow Green 80 -->
         <range h="80, 100"
                s="0.7, 1"
-               l="0.469, 0.61"/>
+               l="0.36, 0.65"/>
+        <range h="80, 100"
+               s="0.3, 0.7"
+               l="0.48, 0.57"/>
         <!-- Yellow green 100 -->
         <range h="100, 120"
                s="0.7, 1"
-               l="0.388, 0.612"/>
+               l="0.388, 0.67"/>
         <range h="100, 120"
                s="0.3, 0.7"
-               l="0.424, 0.541"/>
+               l="0.424, 0.58"/>
         <!-- Green -->
         <range h="120, 140"
                s="0.7, 1"
-               l="0.375, 0.52"/>
+               l="0.37, 0.65"/>
         <range h="120, 140"
                s="0.3, 0.7"
-               l="0.435, 0.524"/>
+               l="0.435, 0.58"/>
         <!-- Green Blue 140 -->
         <range h="140, 160"
                s="0.7, 1"
-               l="0.496, 0.641"/>
+               l="0.43, 0.641"/>
         <!-- Seaoam -->
         <range h="160, 180"
                s="0.7, 1"
diff --git a/tests/Internal/src/com/android/internal/colorextraction/types/TonalTest.java b/tests/Internal/src/com/android/internal/colorextraction/types/TonalTest.java
index d46fff4db65a8..a7d5ae8f69a3e 100644
--- a/tests/Internal/src/com/android/internal/colorextraction/types/TonalTest.java
+++ b/tests/Internal/src/com/android/internal/colorextraction/types/TonalTest.java
@@ -98,6 +98,21 @@ public class TonalTest {
         assertTrue("Blacklisted colors are empty", config.getBlacklistedColors().size() > 1);
     }
 
+    @Test
+    public void tonal_rangeTest() {
+        Tonal.ConfigParser config = new Tonal.ConfigParser(InstrumentationRegistry.getContext());
+        for (Tonal.TonalPalette palette : config.getTonalPalettes()) {
+            assertTrue("minHue should be >= to 0.", palette.minHue >= 0);
+            assertTrue("maxHue should be <= to 360.", palette.maxHue <= 360);
+
+            assertTrue("S should be >= to 0.", palette.s[0] >= 0);
+            assertTrue("S should be <= to 1.", palette.s[1] <= 1);
+
+            assertTrue("L should be >= to 0.", palette.l[0] >= 0);
+            assertTrue("L should be <= to 1.", palette.l[1] <= 1);
+        }
+    }
+
     @Test
     public void tonal_blacklistTest() {
         // Make sure that palette generation will fail.