| Answer | Crossword Clue |
|---|---|
| SIENNA | Orange-red pigment. |
| CAROTENE | Orange pigment |
| OCHER | Yellow-orange pigment. |
| OCHER | Orange-yellow pigment |
| LAKE | Red pigment |
| HEME | Red pigment |
| CARMINE | Red pigment. |
| CARMINE | Red pigment |
| LAKE | Dark-red pigment. |
| LAKE | Dark red pigment |
| ALBA | ... red (a pigment) |
| LAKE | Purplish-red pigment. |
| LAKE | Deep-red pigment. |
| OCHER | Red earth pigment |
| LAKE | Deep red pigment. |
| LAKE | Dark red pigment. |
| HEME | Deep red pigment |
| HEME | Complex red organic pigment |
| OCHRE | Red or yellow pigment |
| HEME | Deep red blood pigment |
| HEME | Complex, red organic pigment |
| HEME | Deep-red blood pigment |
| HEME | Pigment in red blood cells |
