Converts Lightness (CIE L*) to Luminance (CIE Y) (all linear). \n * The white point is D65. \verbatim 0 <= Y <= 1 ; 0 <= L* <= 1
fY = (L + 0.16)/1.16 if (fY > 0.20689) Y = pow(fY, 3) else Y = 0.1284 * (fY - 0.16/1.16) Y = Y * 1.0 (for D65) \endverbatim * \ingroup color
See Implementation
Converts Lightness (CIE L*) to Luminance (CIE Y) (all linear). \n * The white point is D65. \verbatim 0 <= Y <= 1 ; 0 <= L* <= 1
fY = (L + 0.16)/1.16 if (fY > 0.20689) Y = pow(fY, 3) else Y = 0.1284 * (fY - 0.16/1.16) Y = Y * 1.0 (for D65) \endverbatim * \ingroup color