# #91ff42

A color — vivid. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#91ff42`
- RGB: rgb(145, 255, 66)
- HSL: hsl(95, 100%, 63%)
- OKLCH: oklch(0.9 0.239 135.4)
- Relative luminance: 0.7793
- Nearest named color: Acid Green (#8ffe09, Δ 1.866) — https://brandsweets.com/colors/acid-green
- Moods: vivid
- Page: https://brandsweets.com/colors/91ff42

## Tints & shades

- Tints (toward white): #9dff57, #a6ff66, #b2ff7a, #bbff8a, #c6ff9e, #cfffad, #dbffc2, #e4ffd1, #f0ffe5, #f9fff5
- Shades (toward black): #7fff24, #6dff05, #60e600, #53c700, #48ad00, #3c8f00, #2f7000, #225200, #153300, #091400

## Harmonies

- Complementary: #b042ff
- Analogous: #efff42, #42ff52
- Triadic: #4291ff, #ff4291
- Split-complementary: #5242ff, #ff42ef
- Tetradic: #42efff, #b042ff, #ff5242

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 1.27:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #378500 (4.65:1); AA: background → #666666 (4.54:1); AAA: text → #286100 (7.5:1); AAA: background → #474747 (7.34:1)
- On black (#000000): 16.59:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/91ff42-aabea2-5d4edf-1f2d20-f0f1e9?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#91ff42" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.