ToolForge

アクセシブルカラー生成器

Random accessible color: generate random foreground background pairs meeting WCAG contrast with score, lock and bulk for design accessibility, with with one-click.

使い方

クリックすると高コントラストの配色がすぐに生成されます。

Overview

Accessible Color Pair Generator is a Color tool. Random accessible color: generate random foreground background pairs meeting WCAG contrast with score, lock and bulk for design accessibility, with with one-click. It runs 100% in your browser with no upload, so you get instant results with privacy. Whether you need a quick answer or batch processing with precise control, you can enter, validate and export in seconds. The UI is responsive on mobile, tablet and desktop and supports one-click copy.

Use cases

  • Daily use of Accessible Color Pair Generator: Generate a high-contrast accessible color pair. — enter and get instant results without manual lookup.
  • One-click copy keeps results ready to save, check or share with family and pros.
  • Use Accessible Color Pair Generator offline or on poor network — all calculations stay local and private.
  • Mock data for testing
  • Generate strong passwords

How to use

  1. 1 Generate a high-contrast accessible color pair..
  2. 2 Set length/charset rules
  3. 3 Preview and lock/exclude items
  4. 4 Copy or export CSV/TXT

Highlights

  • Local & private: processing stays in your browser
  • Live validation with tolerant parsing
  • One-click copy and export for docs, code or sheets
  • Batch and offline support under poor network

Notes

  • Mock data for testing only
  • Uses Crypto API
  • Batch export in chunks for thousands

FAQ

How random?
crypto.getRandomValues with system entropy.
Reproducible?
Fix seed or export log if needed.
How is Accessible Color Pair Generator different?
It runs locally with a focus on speed and privacy, plus tolerant parsing for “WCAG, accessible color” and one-click copy for reuse.
Can I use results in official reports?
Use it as a working draft and cross-check with authoritative sources; keep the exported log and parameters for traceability.
Tip：Tip: Bookmark this page or pin the tab; find related tools via categories and search.
コントラスト比チェッカーColor contrast checker: calculate contrast per WCAG 2.1 and AA/AAA pass with picker and replacement suggestions for accessible design. 色 HSL/HSV 変換ツールColor HSL converter: convert between HEX, RGB, HSL and HSV with live preview for frontend and design, one-click copy and offline. カラーミキサーColor mixer: blend two colors by ratio with gradient preview, supports HEX/RGB/HSL conversion and scale generation for palettes. 色名検索ツールColor name finder: enter HEX to find closest common color names like red and blue among 48 for design and palettes, with one-click copy and offline. 色の明暗調整ツールColor shade adjuster: lighten or darken a HEX color by percentage with live preview for design and UI states, one-click copy and offline. HEX 透明度→RGBA 変換HEX opacity converter: convert HEX color with opacity percentage to RGBA code with live preview for web and design, with one-click copy and offline.

すべての計算はブラウザ内で実行され、データはアップロードされません。