HSL ColorCorrect

HSL_ColorCorrect is an advanced grading node that combines the functionality of Nuke’s native ColorCorrect node with an HSL-based saturation model. Unlike Nuke’s default saturation method which operates in RGB space and can produce non-uniform or hue-biased results this tool performs saturation adjustments in Hue-Saturation-Lightness (HSL) space, ensuring a more perceptually uniform response across the entire image.

Because the saturation is calculated independently from the RGB channels, HSL_ColorCorrect avoids the common issue in ACES workflows where saturation boosts can disproportionately affect the red channel. This makes it significantly more reliable when working in linear or wide-gamut color spaces.

The node provides a straightforward, physically relevant saturation behaviour without requiring manual per-channel control or additional balancing nodes. It is designed to integrate seamlessly into modern pipelines, offering predictable, color-managed saturation control suitable for VFX, compositing, and color grading.

Node created with Nuke 16.0

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(Screens to explains the difference with nuke default saturation and saturation with HSL, with my node HSL_Grade, but the HSL_ColorCorrect works the same)