CHR0MA

CHR0MA is a replacement for Hue/Saturation that uses Oklab color science. It has an improved layout and creates better results.

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Description

CHR0MA is the same thing as Hue/Saturation but better.

Colors can feel too neon, too one-note, and garish after just a few degrees of hue rotation. A composition can lose all sense of contrast when lowering saturation. Hue/Saturation often creates muddy, noisy, or unappealing results. Using Björn Ottosson's Oklab color science, much better results can be acheived.

The way our eyes perceive colors is complex. Importantly, hue affects luminance. For example, bright yellow is clearly lighter than bright blue, despite both being maximum "intensity." Creating a color space that accounts for this is important for quality results. sRGB does not do this, but Oklab does. Here is way to visualize the Oklch color space. (Oklab and Oklch are the same space defined by different variables.)

Oklab is becoming an industry standard, and is alredy built into Photoshop gradients. This plugin makes it accessible for After Effects and Premiere.

CHR0MA is an open source project and the code is available on Github here.

For the images below, left is CHR0MA, right is Hue/Saturation.

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Version History

1.2 -

Jan 15, 2026

initial release

Compatibility

After Effects

2026, 2025, 2024, 2023, 2022, 2021, 2020, CC 2019, CC 2018, CC 2017

Premiere Pro

2026, 2025, 2024, 2023, 2022, 2021, 2020, CC 2019, CC 2018, CC 2017