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Ramp Palette Swap

Map a ramp by lightness order and build team-colour variants in one go.

Drop image files hereProcess many files at once
No upload · processed on this device

Ramp Palette Swap

Map a ramp by lightness order and build team-colour variants in one go.

How it works

  1. Add images
  2. Adjust settings and review the result
  3. Download a new file

Supported formats

PNG / JPG / WebP / AVIF / HEIC → PNG + JSON (ZIP) — Input decoding depends on browser support and optional engines.

What this tool does

Map a shading ramp onto another by lightness order and generate team-colour variants at once.

Implementation and verified quality

advanced · OkLCh ramp position mapping / hue-window replace / index-preserving variants. Quality qualification is in progress. Pro/Flagship quality has not been established.

Before you export

It maps by lightness order only; it does not know which colour is skin, metal or cloth.

Frequently asked questions

What are this tool’s limitations?

It maps by lightness order only; it does not know which colour is skin, metal or cloth.

Are my files uploaded?

Nerulio processes selected files on your device and has no file-upload API. Optional engines and models are downloaded from third parties; those requests expose connection information such as your IP address.

Will my work be saved automatically?

No. Images and editing state stay in this tab; media output can use local temporary storage. Changing language preserves your work; reloading, closing the tab, or following a link to another page can clear it.