colour.colorimetry.luminance_Fairchild2010#

colour.colorimetry.luminance_Fairchild2010(L_hdr: ArrayLike, epsilon: ArrayLike = 1.836) NDArrayFloat[source]#

Compute luminance \(Y\) of given Lightness \(L_{hdr}\) using Fairchild and Wyble (2010) method according to Michaelis-Menten kinetics.

Parameters:
  • L_hdr (ArrayLike) – Lightness \(L_{hdr}\).

  • epsilon (ArrayLike) – \(\epsilon\) exponent.

Returns:

Luminance \(Y\).

Return type:

numpy.ndarray

Notes

Domain

Scale - Reference

Scale - 1

L_hdr

[0, 100]

[0, 1]

Range

Scale - Reference

Scale - 1

Y

[0, 1]

[0, 1]

References

[FW10]

Examples

>>> luminance_Fairchild2010(31.996390226262736, 1.836)
... 
0.1219722...