Java tutorial
//package com.java2s; /* * Copyright (C) 2012 Florian Frankenberger * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.awt.Color; public class Main { public static Color shiftHue(Color color) { float[] hsl = new float[3]; Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), hsl); hsl[0] += 0.33f % 1.0f; return Color.getHSBColor(hsl[0], hsl[1], hsl[2]); } }