Generate image with similar colors

gistfile1.txt

package colors;

import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;

import javax.imageio.ImageIO;

public class colors {

	public static void main(String[] args) throws IOException {
		System.out.println("starting");
		
		//Color baseColor = new Color(4, 253, 6); // green
		Color baseColor = new Color(4, 0, 254); // blue
		
		ArrayList<Color> similarColors = new ArrayList<Color>();
		
		for(int i = 0; i < 255; i++) {
			for(int j = 0; j < 255; j++) {
				for(int k = 0; k < 255; k++) {
					Color color = new Color(i, j, k); // green
					if(areColorsSimilar(baseColor, color)) {
						//System.out.println(i + "," + j + "," + k);
						similarColors.add(color);
					}
				}
			}
		}
		
		System.out.println("similar colors count:" + similarColors.size());
		
		int height = 3;
		int width = 100;
		
		BufferedImage img = new BufferedImage(width, similarColors.size() * height /* so it is visible */, BufferedImage.TYPE_INT_RGB);

		int index = 0;
		
		for (Color similarColor : similarColors) {
			for(int i = 0; i < height; i++) {
				for(int j = 0; j < width; j++) {
					img.setRGB(j, index + i, similarColor.getRGB());
				}
			}
			index += 3;
		}
		
		File outputfile = new File("/tmp/image.jpg");
		ImageIO.write(img, "jpg", outputfile);

		System.out.println("done");
	}
	
	private static boolean areColorsSimilar(Color c1, Color c2) {
		double distance = Math.pow(c1.getRed() - c2.getRed(), 2) + Math.pow(c1.getGreen() - c2.getGreen(), 2) + Math.pow(c1.getBlue() - c2.getBlue(), 2);
		return Math.sqrt(distance) < 10;
	}

}