# Swatch

> Swatch checks text and background color contrast against WCAG, shows the closest colors that pass, and builds a full 50-950 palette from any color. Runs in your browser, no account.

- **Domain**: `swatch.clawhard.com`
- **Provider**: Clawhard Studio (https://clawhard.com)
- **A2A protocol version**: 1.0
- **Kind**: a2a_agent
- **Live-responds (last probe)**: True
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 100%

## Skills
- **Check text and background color contrast (WCAG and APCA)** — Use when you pick, review or generate UI colors and need an exact accessibility answer. Computes the WCAG 2.x contrast ratio of a text color on a background (ne
- **Find the closest colors that pass a contrast target** — Use when a color pair fails contrast and you need a replacement that still looks like the original. Returns the nearest passing text color (background fixed) an
- **Pick black or white text for a background color** — Use when you place text or an icon on a colored surface (button, badge, chip, tag, hero) and need the readable text color. Returns whichever of black or white h
- **Build a 50 to 950 color scale from one color** — Use when you need a design-token palette from a brand color. Generates an 11-step scale (50, 100 ... 950) in OKLCH so steps look evenly spaced, with your exact 
- **Convert a color between hex, rgb, hsl and oklch** — Use when you need the same color in another CSS format, or a color name turned into a value. Returns hex, rgb(), hsl(), oklch(), relative luminance and the near
- **Check many foreground and background pairs at once** — Use when you need to audit a whole UI or design-token set in one call. Takes up to 50 pairs and returns each pair's ratio, grade and AA/AAA results, plus how ma

## URLs
- Agent card: https://swatch.clawhard.com/.well-known/agent-card.json
- Page (HTML): https://agenstry.com/agents/swatch.clawhard.com
- Documentation: https://swatch.clawhard.com/llms.txt