Converts color to grayscale. The luminance derives from a color value. Maya uses the following formula to calculate the luminance by adding the following amounts of red, green, and blue.
Luminance = 0.3 red + 0.59 green + 0.11 blue
Find this utility in the Create tab (see Create tab).
To use this utility, see Use the Luminance utility.
The input color or texture.