deltaE76
Computes the CIE76 color difference (ΔE*76) between this color and another color. The method calculates the Euclidean distance between the two colors in the LAB color space. If either of the colors is not in LAB format, it will be converted to LAB before computation.
Return
The calculated CIE76 color difference as a Double.
Parameters
other
The second color to compare, which should implement the ConvertibleToColorRGBa interface.