diff --git a/autojs/src/main/java/com/stardust/autojs/core/image/Colors.java b/autojs/src/main/java/com/stardust/autojs/core/image/Colors.java
index f6da5db3..7e66be4e 100644
--- a/autojs/src/main/java/com/stardust/autojs/core/image/Colors.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/image/Colors.java
@@ -10,6 +10,19 @@ import android.support.annotation.RequiresApi;
 
 public class Colors {
 
+    public static final int BLACK = 0xFF000000;
+    public static final int DKGRAY = 0xFF444444;
+    public static final int GRAY = 0xFF888888;
+    public static final int LTGRAY = 0xFFCCCCCC;
+    public static final int WHITE = 0xFFFFFFFF;
+    public static final int RED = 0xFFFF0000;
+    public static final int GREEN = 0xFF00FF00;
+    public static final int BLUE = 0xFF0000FF;
+    public static final int YELLOW = 0xFFFFFF00;
+    public static final int CYAN = 0xFF00FFFF;
+    public static final int MAGENTA = 0xFFFF00FF;
+    public static final int TRANSPARENT = 0;
+
     public int rgb(int red, int green, int blue) {
         return Color.rgb(red, green, blue);
     }