ContrastKit v1.0.2

Changelog

1.0.2 — 2026-10-13

• Apply normal or large text thresholds to every palette swatch.
• Show neutral palette results when the background color is invalid.
• Add a regression test for normal and large text thresholds.

1.0.1 — 2026-10-11

• Extract WCAG color normalization and contrast math into a testable module.
• Add reference-ratio tests and a CI workflow; load the app as an ES module.
• Refresh the version and download instructions.

1.0.0 — 2026-10-08

• First public release of ContrastKit.
• Added WCAG 2.2 contrast ratio and AA/AAA status for normal and large text.
• Added color pickers, live preview, and foreground/background swapping.
• Added editable palettes with individual AA/AAA results.
• Added CSS custom property export, clipboard copy, and dark theme.
• Documented color format, privacy, accessibility thresholds, and limitations.

ContrastKit v1.0.1

Extracts the WCAG hex normalization, relative luminance, and contrast-ratio calculations into a testable module. Adds reference-value tests and a CI workflow, and loads the browser app as an ES module.\n\nChecks: 3 passed.

ContrastKit v1.0.0

First public release of ContrastKit.

Check WCAG contrast ratios for opaque sRGB text and background colors, preview the pair, compare palette swatches, and export CSS custom properties.

Included

• WCAG 2.2 relative-luminance contrast ratio
• AA and AAA outcomes for normal and large text
• Live preview and foreground/background color controls
• Editable palette with per-color contrast outcomes
• CSS token export, clipboard copy, and dark theme

Get started

Open https://ghostnever-lkm.github.io/contrastkit/ or download the attached ZIP, extract it, and open index.html in a modern browser. No install or account is needed.

Hex colors only; alpha, gradients, images, and blend modes are outside this first release. License: MIT.