Makes gl color with a hex int.

Color.java

public class Color {
    
    float r, g, b;
    
    public Color(int color) {
        this.r = ((color >> 16) & 0xFF) / 255f;
        this.g = ((color >> 8) & 0xFF) / 255f;
        this.b = ((color >> 0) & 0xFF) / 255f;
    }
    
    @Override
    public String toString() {
        return String.format("rgb(%f, %f, %f)", r, g, b);
    }
}

HelloWorld.java

public class HelloWorld{

    public static void main(String[] args) {
        System.out.println(new Color(0xFFFFFF));
        System.out.println(new Color(0xD2D2FF));
        System.out.println(new Color(0x777777));
        System.out.println(new Color(0x000000));
    }
    
}

ParseLongHex.java

public class ParseLongHex {
  public static void main(String []args){
        String input = "#80a2d2ff";
        String hex = input.replace("#", "");
        int color = 0;
        int alpha = 0xFF;
        if(hex.length() == 6) {
            color = parseHex(hex);
        } else if(hex.length() == 8) {
            color = parseHex(hex.substring(0,6));
            alpha = parseHex(hex.substring(6));
        } else {
            throw new NumberFormatException("Hex number must have 6 or 8 characters (not including #)");
        }
        long l = Long.parseLong("80a2d277", 16);
        int r = (color >> 16) & 0xFF;
        int g = (color >> 8) & 0xFF;
        int b = (color >> 0) & 0xFF;
        System.out.println(Integer.toHexString(color));
        System.out.println(Integer.toHexString(alpha));
        System.out.println(String.format("rgba(%d, %d, %d, %d)", r, g, b, alpha));
     }
     
     public static int parseHex(String hex) {
        return Integer.parseInt(hex.replace("#", ""), 16);
    }
}