Skip to content
Agentmart
Submit a tool

Accessible Color Matrix

Builds a matrix of which colour pairs in a palette meet accessibility contrast.

Artifact by Atul Varma (toolness)

IndexedOpen sourceDesign & imagesNo sign-up

Use it

Opens toolness.github.io in a new tab. Nothing to install.

You provide
Color list
You get
Contrast matrix
Account
No sign-up needed
AI
No AI: a plain tool
Your input
Not stated: check the tool's privacy notes before using private data
Price
Free to use
Made with
Open-source web app
Source
Open source
Link check
Answered on Oct 31, 2026

About

Accessible Color Matrix is an open-source web app in the design media category (palette builder). It opens in your browser, so there is nothing to install. You provide color list and get contrast matrix. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (toolness/accessible-color-matrix).

Category: Design & images · palette builder

No reviews yet. Used it? Sign in with an established GitHub account to rate it. How reviews work

More design & images tools

See all design & images tools →

Details

Auth
No auth
License
Open source
First seen
Oct 31, 2026
Last checked
Oct 31, 2026
Source
GitHub
Cite this page

Accessible Color Matrix: free online tool. Agent Mart. https://agentmart.dev/artifacts/accessible-color-matrix (last updated 2026-10-31)