About this tool
HSL Adjust converts every pixel to HSL colour space, applies your Hue, Saturation and Lightness adjustments, then converts back — giving natural, perceptual colour control that RGB sliders can't match.
How it works
- 1Upload your image.
- 2Shift Hue (−180° to +180°) to rotate colours around the colour wheel.
- 3Adjust Saturation (−100 to +100) to enrich or mute colours.
- 4Change Lightness (−100 to +100) to brighten or darken the image.
Common use cases
- ✓Colour-correcting product photography
- ✓Changing the mood of a landscape shot
- ✓Creating complementary colour versions of an asset
- ✓Matching brand colours precisely
Privacy first. HSL Adjust runs entirely inside your browser using the HTML5 Canvas API. Your images are never uploaded to any server, stored anywhere or shared with third parties. Everything happens locally on your device.
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