Java tutorial
//package com.java2s; /* * Geotoolkit - An Open Source Java GIS Toolkit * http://www.geotoolkit.org * * (C) 2013 Geomatys * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. */ import java.awt.Color; public class Main { /** * Create a lighter color using a factor. * * @param color * @param factor * @return lighter color */ public static Color lighter(final Color color, float factor) { return new Color(Math.max((int) (color.getRed() / factor), 0), Math.max((int) (color.getGreen() / factor), 0), Math.max((int) (color.getBlue() / factor), 0)); } }