Here you can find the source of toHtmlRGB(Color col)
public static String toHtmlRGB(Color col)
//package com.java2s; /**//from w w w .ja v a2 s. co m * This file is part of VisiCut. * Copyright (C) 2011 - 2013 Thomas Oster <thomas.oster@rwth-aachen.de> * RWTH Aachen University - 52062 Aachen, Germany * * VisiCut 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, either version 3 of the License, or * (at your option) any later version. * * VisiCut 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. * * You should have received a copy of the GNU Lesser General Public License * along with VisiCut. If not, see <http://www.gnu.org/licenses/>. **/ import java.awt.Color; public class Main { public static String toHtmlRGB(Color col) { String r = Integer.toHexString(col.getRed()); String g = Integer.toHexString(col.getGreen()); String b = Integer.toHexString(col.getBlue()); return "#" + (r.length() == 1 ? "0" + r : r) + (g.length() == 1 ? "0" + g : g) + (b.length() == 1 ? "0" + b : b); } }