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Continue to ChatQuery : How large are the HSL/HSV colour spaces with respect to Lab? I could find numerous resources that specify how colour spaces such as RGB, sRGB and CMYK cover a part of the CIE XYZ Lab colour https://vmapp.org/query/29117/How-Large-Are-The-HSL-HSV-Colour-Spaces-With-Respect-To-Lab-I-Could-Find-Numerous-Resources-That-Specify-How-Colour-Spaces-Such-As-RGB-SRGB-And-CMYK-Cover-A-Part-Of-The-CIE-XYZ-Lab-Colour/