Colour Matching Functions

The colour matching functions are are provided as ascii csv files, returned as files with the *.csv extension. Clicking the buttons will open a window that invites you to either open or save the data files. Click "Plot" for the corresponding plots. For further details and references click

CIE functions

New CIE physiologically-relevant XYZ functions (proposed)

2-deg XYZ CMFs transformed from the CIE (2006) 2-deg LMS cone fundamentals

Stepsize	Format
0.1 nm	csv
1 nm	xml
5 nm	tabular
	plot

10-deg XYZ CMFs transformed from the CIE (2006) 10-deg LMS cone fundamentals

Stepsize	Format
0.1 nm	csv
1 nm	xml
5 nm	tabular
	plot

CIE 1931 2-deg, XYZ CMFs

CIE 1931 2-deg, XYZ CMFs modified by Judd (1951)

CIE 1931 2-deg, XYZ CMFs modified by Judd (1951) and Vos (1978)

CIE 1964 10-deg, XYZ CMFs

Stiles & Burch functions

Stiles & Burch (1955) 2-deg, RGB CMFs

Stiles & Burch (1959) 10-deg, RGB CMFs