Java tutorial
//package com.java2s; //License from project: Open Source License import android.graphics.Color; public class Main { /** * Returns a color based that is ratio% of color1 and (1 - ratio)% of color2 (including alpha). */ private static int blendColors(int color1, int color2, double ratio) { double ir = 1.0 - ratio; int a = (int) (Color.alpha(color1) * ratio + Color.alpha(color2) * ir); int r = (int) (Color.red(color1) * ratio + Color.red(color2) * ir); int g = (int) (Color.green(color1) * ratio + Color.green(color2) * ir); int b = (int) (Color.blue(color1) * ratio + Color.blue(color2) * ir); return Color.argb(a, r, g, b); } }