What’s Color Grade

Color grading is the process of altering and enhancing the color of a motion picture, video image, or still image electronically, photo-chemically or digitally. Color grading encompasses both color correction and the generation of artistic color effects. – Defination From Wikipedia

Within the Unreal engine, the term Color Grading covers the Tone Mapping function(HDR to LDR transformation) and the further Color Correction(LDR color to screen color transformation) – Defination From UE4

Color Grading in UE4

UE Color Grading Example

Color Grade

color grade 2

color grade 4

color grade 8

color grade 16

color grade 32

color grade 64

color grade 128

color grade 256

Reference