Index - O
| oldlace | Data.Colour.Names |
| olive | Data.Colour.Names |
| olivedrab | Data.Colour.Names |
| opaque | Data.Colour |
| orange | Data.Colour.Names |
| orangered | Data.Colour.Names |
| orchid | Data.Colour.Names |
| over | Data.Colour |
colour-2.3.4: A model for human colour/color perception
Index - O
| oldlace | Data.Colour.Names |
| olive | Data.Colour.Names |
| olivedrab | Data.Colour.Names |
| opaque | Data.Colour |
| orange | Data.Colour.Names |
| orangered | Data.Colour.Names |
| orchid | Data.Colour.Names |
| over | Data.Colour |