| bright colour(expression, shade, colour, brightness) |
| citrus aurantium(expression, tree, genus, citrus) |
| citrus sinensis(expression, tree, genus, citrus) |
| coloran(noun, colour, dye, citrus, colourant) |
| colorant(noun, shade, colour, color, tone) |
| colored matter(expression, colour, dye, citrus, colourant) |
| coloring(noun, shade, colour, color, tone) |
| coloring agent(expression, colour, dye, citrus, colourant) |
| coloring material(expression, colour, dye, citrus, colourant) |
| coloring matter(expression, colour, dye, citrus, colourant) |
| coloring pigment(expression, colour, dye, citrus, colourant) |
| coloring substance(expression, colour, dye, citrus, colourant) |
| colour(noun, shade, color, tone, citrus) |
| colourant(noun, colour, dye, citrus) |
| colouring agent(expression, colour, dye, citrus, colourant) |
| colouring matter(expression, colour, dye, citrus, colourant) |
| colouristics(noun, shade, colour, color, tone) |
| drug(noun, colour, dye, citrus, colourant) |
| dye-stuff(noun, colour, dye, citrus, colourant) |
| dye solution(expression, colour, dye, citrus, colourant) |