colour.colour_quality_scale

colour.colour_quality_scale(spd_test, additional_data=False)

Returns the Colour Quality Scale (CQS) of given spectral power distribution.

Parameters:

• spd_test (SpectralPowerDistribution) – Test spectral power distribution.
• additional_data (bool, optional) – Output additional data.

Returns:

Color quality scale.

Return type:

numeric or CQS_Specification

References

• [DO10]
• [OD08]

Examples

>>> from colour import ILLUMINANTS_RELATIVE_SPDS
>>> spd = ILLUMINANTS_RELATIVE_SPDS['F2']
>>> colour_quality_scale(spd)  
64.6863391...