Performance Groups – Chromaticity (continued)
White Color Region Coordinates - 2600K – 3500K
Region
x
.402
SA
.416
.409
.395
.409
SB
.416
.429
.420
.429
SC
.444
.435
.420
y
.382
.389
.370
.364
.370
.389
.394
.375
.394
.399
.380
.375
SF
SE
SD
Region
x
.444
.461
.450
.435
.409
.402
.416
.424
.424
.416
.429
.438
y
.399
.404
.385
.380
.399
.382
.389
.406
.406
.389
.394
.412
SH
SG
Region
x
.438
.429
.444
.453
.444
.461
.470
.453
y
.412
.394
.399
.416
.399
.404
.420
.416
Cree’s Standard Chromaticity Regions Plotted on the 93 CIE Curve
0.44
0.43
0.42
0.41
0.40
0.39
0.38
0.37
TE
WH
TA
TF
TG
TD
TB
TC
3077K
3333K
WJ
WF
WD
WE
WC
5714K
6667K
WA
8000K
5000K
4444K
4000K
3636K
2857K
2677K
SE
TH
SA
SC
SB
SG
SF
SD
SH
CCy
0.36
0.35
0.34
0.33
0.32
0.31
0.30
0.29
0.28
0.27
0.26
BBL
WG
WB
10000K
0.27
0.28
0.29
0.30
0.31
0.32
0.33
0.34
0.35
0.36
0.37
0.38
0.39
0.40
0.41
0.42
0.43
0.44
0.45
0.46
0.47
0.48
CCx
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