getColor( alpha ) {

		alpha = MathUtils.clamp( alpha, this.minV, this.maxV );

		alpha = ( alpha - this.minV ) / ( this.maxV - this.minV );

		const colorPosition = Math.round( alpha * this.n );

		return this.lut[ colorPosition ];

	}
Returns an instance of Color for the given data value.

@param {number} alpha - The value to lookup.
@return {Color} The color from the LUT.