Index - R
| readColourName | Data.Colour.Names |
| red | Data.Colour.Names |
| RGB | |
| 1 (Type/Class) | Data.Colour.RGBSpace.HSL , Data.Colour.RGBSpace.HSV , Data.Colour.SRGB.Linear , Data.Colour.RGBSpace , Data.Colour.SRGB |
| 2 (Data Constructor) | Data.Colour.SRGB.Linear , Data.Colour.RGBSpace , Data.Colour.SRGB |
| rgb | Data.Colour.SRGB.Linear |
| RGBGamut | Data.Colour.RGBSpace |
| RGBSpace | Data.Colour.RGBSpace |
| rgbUsingSpace | Data.Colour.RGBSpace |
| rosybrown | Data.Colour.Names |
| royalblue | Data.Colour.Names |