setRGB( r, g, b, colorSpace = ColorManagement.workingColorSpace ) {

		this.r = r;
		this.g = g;
		this.b = b;

		ColorManagement.colorSpaceToWorking( this, colorSpace );

		return this;

	}
Sets this color from RGB values.

@param {number} r - Red channel value between `0.0` and `1.0`.
@param {number} g - Green channel value between `0.0` and `1.0`.
@param {number} b - Blue channel value between `0.0` and `1.0`.
@param {string} [colorSpace=ColorManagement.workingColorSpace] - The color space.
@return {Color} A reference to this color.