Search

1. Neutral Grey Issue

   

   Topic by wahtye · Feb 2013 · Home› Unreal Engine

   Hey, been running into a problem recently regarding the neutral grey values of the UDK Material Editor. From my understanding Constants are set up representing the 0-255 Color Values into a range from 0-1 0 being black 1 being 255 white 0.5 being 128 neutral grey However, as I've been pushing forward playing around more…

2. Re: Neutral Grey Issue

   

   Reply by lpcstr · Feb 2013 · Home› Unreal Engine

   You need to realize that when you are working in a photo suite like Photoshop, with RGB values in the range [0, 255], you are actually working with sRGB color values, which are in gamma space. In linear space, neutral grey would be 0.5, and to convert that to gamma space you take 0.5^(1 / 2.2) = ~0.73 * 255 = 186. So 186…