| LinearRGB | 0 | |
| LuminancePerceived | 1 | The perceived luminance according to H*SP space. |
| LuminanceOkLab | 2 | The L in the OkLab space. |
| LuminanceCieLab | 3 | The L in the CieL*a*b* space. |
| LuminanceRelative | 4 | The Y in the Yxy space. |
| HueHSL | 10 | The hue in degrees accordingn= to the HSV and HSL spaces. |
| HueOkLch | 11 | The hue in degrees according to the OkLch space. |
| Saturation | 20 | The saturation according to the HSV space. |
| Chroma | 21 | The chroma (or saturation) according to the OkLch space. Falls between 0.00 and 0.33 for colours inside the sRGB gamut. |
| Opacity | 100 | The opacity, zero for fully transparent and one for fully opaque. |
