---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/tools/color/variables/colorSchemeTool.md
description: Generate a colour palette from a base colour using a named harmony.
---

# Variable: colorSchemeTool

```ts
const colorSchemeTool: Tool<SpooledArtifact>;
```

Defined in: [batteries/tools/color/index.ts:551](https://github.com/NHTIO/ADK/blob/v1.20260605.0/src/batteries/tools/color/index.ts#L551)

Generate a colour palette from a base colour using a named harmony.

## Remarks

Supported schemes: `complementary`, `analogous`, `triadic`, `split-complementary`,
`monochromatic`. Each entry reports its hex, rgb, and hsl forms, plus the contrast ratio
relative to the base colour.