cie76                   Get the CIE76 color difference between two
                        CIELab values.
cie94                   Get the CIE94 color difference between two
                        CIELab values.
ciede2000               Get the CIEDE2000 color difference between two
                        CIELab values.
colordiff               Get the color difference between values in the
                        CIELab color space.
get_closest_color       Get information about the closest RHS color to
                        some CIELab coordinates.
name                    Name a color given its coordinates in a
                        specified color space.
rhs_color_names_2015    UPOV names and groups for RHS colors.
rhs_color_values_2007   RHS colors in different color spaces.
