yFromLstar static method

double yFromLstar(double lstar)

Converts an L* value to a Y value.

L* in Lab* and Y in XYZ measure the same quantity, luminance.

L* measures perceptual luminance, a linear scale. Y in XYZ measures relative luminance, a logarithmic scale.

lstar L* in Lab* Returns Y in XYZ

Implementation

static double yFromLstar(double lstar) {
  return 100.0 * _labInvf((lstar + 16.0) / 116.0);
}