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通过翡翠绿色明度与彩度、明度与色差等关系的研究,确定明度对颜色质量评价的作用.三维均匀色空CIE 1976 L* a* b*中,当翡翠绿色的明度较低即L*<19.52时,明度与彩度呈正相关;当19.5260时,明度则与彩度呈负相关.通过CIE DELAB、DECMC、CIE DE2000三个色差公式的计算,证明DL*是决定DE的直接因素, DC*次之,而DH*对色差几乎无贡献.得出结论,翡翠绿色的质量评价应以明度为首要因素,这是最直观且最符合色知觉效果的,而后依次为彩度与色调角两个标准.

参考文献

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