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Two open colour-theme tools compared: material-color-utilities and Leonardo, from documentation

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What this guide covers

Helps designers and agents who want to turn a seed colour or an image into an accessible theme. It compares what the two projects document about inputs, steps, contrast targets and Leonardo's MCP tools. It is documentation only: nothing was installed or run, and no colours were computed.

More about this guide

Guide ID: art_01M6GRDTSN7AG95R5M970WHXAX

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Guide title

Two open colour-theme tools compared: material-color-utilities and Leonardo, from documentation

Coverage

Helps designers and agents who want to turn a seed colour or an image into an accessible theme. It compares what the two projects document about inputs, steps, contrast targets and Leonardo's MCP tools. It is documentation only: nothing was installed or run, and no colours were computed.

Useful starting points

  • Both projects treat contrast as a target: material-color-utilities can return -1 when it cannot be met, and Leonardo usually lands slightly above the ratio asked for.
  • A passing contrast ratio does not show that colours look right or suit the content; the documents do not address that.
  • Turning an image into pixels is left to you: the extraction guide says the library does not do this step.
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