ComfyUI Node

OkLab Color

A ComfyUI node in AKURATE/Darkroom/Grading with 8 inputs and 1 output.

By jeremieLouvaert·Created 5 months ago·Updated 25 days ago· 86
OkLab Color
  • image
  • image
lightness1.00
contrast0.00
chroma1.00
hue0
tint_a0.000
tint_b0.000
strength1.00
CategoryAKURATE/Darkroom/Grading

Inputs (8)

NameTypeDefaultDescription
imageIMAGE
lightnessoptFLOAT1.000–2Perceptual lightness multiplier (L *= lightness). Holds hue and chroma.
contrastoptFLOAT0.00-1–1Perceptual contrast around mid-grey. slope = 2**contrast; 0 = identity, -1 flatten, +1 punch.
chromaoptFLOAT1.000–2Chroma (colorfulness) multiplier, even across all hues. 1 = unchanged, 0 = greyscale.
hueoptFLOAT0-180–180Global hue rotation in degrees. Holds lightness and chroma.
tint_aoptFLOAT0.000-0.1–0.1Tint along the green↔red axis (a offset). Small range — ±0.1 is a strong cast.
tint_boptFLOAT0.000-0.1–0.1Tint along the blue↔yellow axis (b offset). Small range — ±0.1 is a strong cast.
strengthoptFLOAT1.000–1Blend between original (0) and graded (1)

Outputs (1)

NameTypeDescription
imageIMAGE