Detailed Product Description profileIn 1931,the CIE(Commission Internationale De L'E'clalrage)setup a series of visible spectrum color space standards.The Basic CIE color space standardS iS CIE_XYZ.lt iS built on standard visual observerson the basis of ability to see,and it reflects the standardS scope of color by eye.Based On CIE_XYZ there are CIE_XvY,CIE_Lab,CIE Lch standard color space,etc. ...