| alpha_channel | alpha_channel | 
| alpha_channel-method | alpha_channel | 
| as_hexcol | convert to hex colors | 
| as_hexcol-method | convert to hex colors | 
| as_rgb | convert to rgb colors | 
| as_rgb-method | convert to rgb colors | 
| blend_colors | blend two color planes | 
| blend_colors-method | blend two color planes | 
| col2hex | convert color name to hex character string | 
| ColorPlane-class | ColorPlane | 
| ColorScale-class | ColorScale | 
| ConstantColorPlane | ConstantColorPlane | 
| ConstantColorPlane-class | ConstantColorPlane | 
| DiscreteColorPlane | DiscreteColorPlane | 
| DiscreteColorPlane-class | DiscreteColorPlane | 
| get_color | get_color | 
| HexColorPlane | HexColorPlane | 
| HexColorPlane-class | HexColorPlane | 
| IntensityColorPlane | IntensityColorPlane | 
| IntensityColorPlane-class | IntensityColorPlane | 
| map_colors | map data values to a set of colors | 
| map_colors-method | map data values to a set of colors | 
| rgb2hex | convert rgb colors to hex colors | 
| RGBColorPlane | RGBColorPlane | 
| RGBColorPlane-class | RGBColorPlane |