Chromaticity Co-ordinates

2-1-480

The ratio of each of the three tristimulus values to their sum.

Symbol: (Reference: C.I.E. 1931) x, y, z.

Reference: C.I.E. (extract)

Note: See the Note: to 2-1-475. For a field of vision of about 10 degrees the symbols are x10, y10, z10

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

English