colour.CIECAM02_VIEWING_CONDITIONS

colour.CIECAM02_VIEWING_CONDITIONS = CaseInsensitiveMapping({u'Dark': ..., u'Dim': ..., u'Average': ...})

Reference CIECAM02 colour appearance model viewing conditions.

References

CIECAM02_VIEWING_CONDITIONS : CaseInsensitiveMapping
{‘Average’, ‘Dim’, ‘Dark’}