Color Converter (HEX, RGB, HSL)

import java.awt.Color; public class ColorConverter { public static void main(String[] args) { // HEX to RGB String hex = "#FF0000"; Color rgb = Color.decode(hex); int red = rgb.getRed(); int green = rgb.getGreen(); int blue = rgb.getBlue(); System.out.println("RGB value of " + hex + " is (" + red + "," + green + "," + blue + ")"); // RGB to HEX int r = 255; int g = 255; int b = 0; Color color = new Color(r, g, b); String hexValue = "#" + Integer.toHexString(color.getRGB()).substring(2).toUpperCase(); System.out.println("HEX value of (" + r + "," + g + "," + b + ") is " + hexValue); // RGB to HSL float[] hsl = rgbToHsl(r, g, b); System.out.println("HSL value of (" + r + "," + g + "," + b + ") is (" + hsl[0] + "," + hsl[1] + "," + hsl[2] + ")"); // HSL to RGB int[] rgbArray = hslToRgb(hsl[0], hsl[1], hsl[2]); System.out.println("RGB value of (" + hsl[0] + "," + hsl[1] + "," + hsl[2] + ") is (" + rgbArray[0] + "," + rgbArray[1] + "," + rgbArray[2] + ")"); } public static float[] rgbToHsl(int r, int g, int b) { float[] hsl = new float[3]; float r1 = r / 255f; float g1 = g / 255f; float b1 = b / 255f; float max = Math.max(Math.max(r1, g1), b1); float min = Math.min(Math.min(r1, g1), b1); float delta = max - min; float h = 0, s = 0, l = (max + min) / 2; if (delta != 0) { if (l < 0.5) { s = delta / (max + min); } else { s = delta / (2 - max - min); } if (r1 == max) { h = (g1 - b1) / delta; } else if (g1 == max) { h = 2 + (b1 - r1) / delta; } else if (b1 == max) { h = 4 + (r1 - g1) / delta; } h *= 60; if (h < 0) { h += 360; } } hsl[0] = h; hsl[1] = s; hsl[2] = l; return hsl; } public static int[] hslToRgb(float h, float s, float l) { int[] rgbArray = new int[3]; float c = (1 - Math.abs(2 * l - 1)) * s; float x = c * (1 - Math.abs((h / 60) % 2 - 1));