# #42ffa4

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

## Values

- Hex: `#42ffa4`
- RGB: rgb(66, 255, 164)
- HSL: hsl(151, 100%, 63%)
- OKLCH: oklch(0.887 0.195 156.8)
- Relative luminance: 0.7536
- Nearest named color: Illicit Green (#56fca2, Δ 1.029) — https://brandsweets.com/colors/illicit-green
- Moods: vivid
- Page: https://brandsweets.com/colors/42ffa4

## Tints & shades

- Tints (toward white): #57ffae, #66ffb5, #7affbf, #8affc6, #9effd0, #adffd8, #c2ffe1, #d1ffe9, #e5fff3, #f5fffa
- Shades (toward black): #24ff95, #05ff86, #00e677, #00c767, #00ad5a, #008f4a, #00703a, #00522a, #00331a, #00140b

## Harmonies

- Complementary: #ff429e
- Analogous: #42ff45, #42fcff
- Triadic: #a442ff, #ffa442
- Split-complementary: #ff42fc, #ff4542
- Tetradic: #4542ff, #ff429e, #fcff42

## Colors that go with #42ffa4

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #42ffa4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/violet
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #42ffa4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #42ffa4: 3 real palettes, including Prime Video's brand system and Remix's brand system, as the supporting colour. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony: split] — Light Coral is a split-complement of #42ffa4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightcoral
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #42ffa4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Crimson** #dc143c [pool] — Crimson is paired with #42ffa4 in two real palettes: Formula 1's brand system and Wise's brand system, as the supporting colour. Seen in: Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/crimson
- **Red** #ff0000 [pool] — Red is paired with #42ffa4 in two real palettes: Gatorade's brand system and Wise's brand system, as the supporting colour. Seen in: Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red
- **Taupe** #483c32 [pool] — Taupe is paired with #42ffa4 in two real palettes: Astro's brand system and 7-Eleven's brand system, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.31:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #008545 (4.73:1); AA: background → #636363 (4.6:1); AAA: text → #006635 (7.11:1); AAA: background → #474747 (7.11:1)
- On black (#000000): 16.07:1 — 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/42ffa4-a2beb4-d459d0-1f2d2c-e9f1ea?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: "#42ffa4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.