standard observer tristimulus values.
The following illuminants are available with their CIE 1931 standard observer tristimulus values.
| Standard | Name | CCT |
| CIE 15:2004 | CIE A | 2856K |
| CIE B | 4874K | |
| CIE 15:2004 | CIE C | 6774K |
| CIE 15:2004 | CIE D50 | 5003K |
| CIE 15:2004 | CIE D55 | 5503K |
| CIE 15:2004 | CIE D65 | 6504K |
| CIE 15:2004 | CIE D75 | 7504K |
| CIE D93 | 9305K | |
| CIE E | 5454K | |
| CIE 15:2004 | CIE F1 | 6430K |
| CIE 15:2004 | CIE F2 | 4230K |
| CIE 15:2004 | CIE F3 | 3450K |
| CIE 15:2004 | CIE F3.1 | 2932K |
| CIE 15:2004 | CIE F3.2 | 3965K |
| CIE 15:2004 | CIE F3.3 | 6280K |
| CIE 15:2004 | CIE F3.4 | 2904K |
| CIE 15:2004 | CIE F3.5 | 4086K |
| CIE 15:2004 | CIE F3.6 | 4894K |
| CIE 15:2004 | CIE F3.7 | 2979K |
| CIE 15:2004 | CIE F3.8 | 4006K |
| CIE 15:2004 | CIE F3.9 | 4853K |
| CIE 15:2004 | CIE F3.10 | 5000K |
| CIE 15:2004 | CIE F3.11 | 5854K |
| CIE 15:2004 | CIE F3.12 | 2984K |
| CIE 15:2004 | CIE F3.13 | 3896K |
| CIE 15:2004 | CIE F3.14 | 5045K |
| CIE 15:2004 | CIE F3.15 | 6509K |
| CIE 15:2004 | CIE F4 | 2940K |
| CIE 15:2004 | CIE F5 | 6350K |
| CIE 15:2004 | CIE F6 | 4150K |
| CIE 15:2004 | CIE F7 | 6500K |
| CIE 15:2004 | CIE F8 | 5000K |
| CIE 15:2004 | CIE F9 | 4150K |
| CIE 15:2004 | CIE F10 | 5000K |
| CIE 15:2004 | CIE F11 | 4000K |
| CIE 15:2004 | CIE F12 | 3000K |
| CIE 15:2004 | CIE HP1 | 1959K |
| CIE 15:2004 | CIE HP2 | 2506K |
| CIE 15:2004 | CIE HP3 | 3144K |
| CIE 15:2004 | CIE HP4 | 4002K |
| CIE 15:2004 | CIE HP5 | 4039K |
| CIE 15:2018 | CIE LED-B1 | 2733K |
| CIE 15:2018 | CIE LED-B2 | 2998K |
| CIE 15:2018 | CIE LED-B3 | 4103K |
| CIE 15:2018 | CIE LED-B4 | 5109K |
| CIE 15:2018 | CIE LED-B5 | 6598K |
| CIE 15:2018 | CIE LED-BH1 | 2851K |
| CIE 15:2018 | CIE LED-RGB1 | 2840K |
| CIE 15:2018 | CIE LED-V1 | 2724K |
| CIE 15:2018 | CIE LED-V2 | 4070K |