| Abbreviation | Definition |
|---|---|
| WT | White Top |
| WTB | White Tint Base |
| WTGY | White-Gray |
| WW | Winter White |
| WWPK | White With Pink |
| WYOR | White, Yellow, Orange, Red |
| WYR | White body with Yellow and Red stripes |
| XB | Xtra Bright |
| YC | Yellow Chromate |
| YCbCr | Y' is the luma component and CB and CR are the blue-difference and red-difference chroma components. |
| YCbCr | Y2 is the luma component and CB and CR are the blue-difference and red-difference chroma components. |
| YE | Yellow Edge |
| YEL | Yellow |
| YGB | Yellow, Green, and Blue |
| YGE | Yellow Green Earth |
| YH | Yellow Hide |
| YI | Yellowness Index |
| YL | Yellow |
| YMC | Yellow, Magenta, and Cyan |
| YR | Yellow Red |