The CIEDE2000 formula performed excellently in the yellow and blue color regions, but its color-difference prediction performances in the gray, red and green regions remained to be further improved.

• 色差公式CIEDE2000在黄色和蓝色区域的色差预测性能表现优异,但在灰色、红色和绿色区域的预测性能仍有待进一步改进。