Java tutorial
//package com.java2s; //License from project: Apache License import android.graphics.Color; public class Main { public static int setColorLightness(int color, float light) { float[] hsv = new float[3]; Color.colorToHSV(color, hsv); hsv[2] *= Math.min(light, 1f); // value component return Color.HSVToColor(hsv); } }