Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Determining CIE 1976 (Lab) colour space
(CIELAB) colour coordinates
5 Calculating tristimulus values X,Y,Z from
the CIELAB values L, a, b
6 Perceptual values for lightness, chroma and hue
7 Colour difference formulae
Annex A (informative) Examples
Bibliography