import { subtractColors } from "https://deno.land/x/chalkpot_color@3.1.0/color_effects/mod.ts";
Example
const purple = new Color(false, 128, 0, 128);
const blue = new Color(false, 0, 0, 128);
const red = subtractColors(purple, blue);
console.log(red.components); // [128, 0, 0]