| Abbreviation | Definition |
|---|---|
| IHS | Intensity, Hue, and Saturation |
| iib | it is blue |
| IKB | International Klein Blue |
| IL | Illustrated |
| IR | InfraRed |
| IRB | Industry Reference Black |
| IS | International Silver |
| IV | Ivory |
| JB | Jet Black |
| JG | Just Gold |
| KB | Kettle Black |
| KBC | Kandy Base Coat |
| L | Luminova (pigment) |
| LB | Lemon Blue |
| LB | Light Blue |
| Lbe | light blue |
| Lbn | light brown |
| LC | Light Contour |
| LCH | Lightness Chroma Hue |
| LG | Light Green |