Most of the public Colour API is available from the colour namespace.



In [1]:

    
import colour

For example, calculating the colour rendering index of light source can be done as follows:



In [2]:

    
sd = colour.ILLUMINANT_SDS.get('FL2')
colour.colour_rendering_index(sd)









    Out[2]:





64.233724121664778

The correlated colour temperature of a CIE Standard Illuminant can be calculated easily:



In [3]:

    
il = colour.ILLUMINANTS['CIE 1931 2 Degree Standard Observer']['D50']
colour.xy_to_CCT(il, method='Hernandez 1999')









    Out[3]:





5001.3574639752351

Colour also implements various plotting functions thanks to Matplotlib:



In [4]:

    
colour.plotting.colour_style()

colour.plotting.plot_visible_spectrum();