Copyright 2004 Ken Greenebaum
Converting xyY
ó
XYZ
n
xyY: x,y chromaticity, Y luminance
Z=(1-x-y)Y/y
Y=Y
Y=Y
y=Y/(X+Y+Z)
X=x*Y/y
x=X/(X+Y+Z)
XYZ from xyY
xyY from XYZ
