constructor(r, g, b, a = 1) {
		this.r = r;
		this.g = g;
		this.b = b;
		this.a = a;
	}
Hex color constructor
@param {number} r Red value in hexadecimals
@param {number} g Green value in hexadecimals
@param {number} b Blue value in hexadecimals
@param {number} a Alpha value between 0 and 1