colour.HKE_NAYATANI1997_METHODS

colour.HKE_NAYATANI1997_METHODS = CaseInsensitiveMapping({'VAC': ..., 'VCC': ...})

Nayatani (1997) HKE computation methods, choice between variable achromatic colour (‘VAC’) and variable chromatic colour (‘VCC’)

References

[Nay97]

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colour.HelmholtzKohlrausch_effect_object_Nayatani1997