CIE 1931 (XYZ) color matching functions and (x,y) chromaticity diagram

100
200
300
400
500
600
700
800
900
1000
1100
-2
-1
1
2
a = 545.00
M
L
xbar()
ybar()
zbar()
X =0.360
Y =0.980
Z =0.013
x =0.266
y =0.724
z =0.010
The color matching matching functions were downloaded from the CIE website with values at increments of 5 nms.

The CIE diagram is linked directly to an image on the web.