# #4ef9ac

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

## Values

- Hex: `#4ef9ac`
- RGB: rgb(78, 249, 172)
- HSL: hsl(153, 93%, 64%)
- OKLCH: oklch(0.877 0.177 159.4)
- Relative luminance: 0.7235
- Nearest named color: Illicit Green (#56fca2, Δ 1.723) — https://brandsweets.com/colors/illicit-green
- Moods: vivid
- Page: https://brandsweets.com/colors/4ef9ac

## Tints & shades

- Tints (toward white): #5df9b3, #70fabc, #7ffac3, #93fbcc, #a1fcd3, #b0fcda, #c4fde3, #d3fdea, #e6fef3, #f5fffa
- Shades (toward black): #30f89e, #13f690, #08e280, #07c56f, #06a75f, #058a4e, #046c3d, #034f2d, #02311c, #01140b

## Harmonies

- Complementary: #f94e9b
- Analogous: #4ef956, #4ef0f9
- Triadic: #ac4ef9, #f9ac4e
- Split-complementary: #f94ef0, #f9564e
- Tetradic: #564ef9, #f94e9b, #f0f94e

## Colors that go with #4ef9ac

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #4ef9ac: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Canopy (https://brandsweets.com/palettes/cool#canopy), Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #4ef9ac 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #4ef9ac: 3 real palettes, including Prime Video's brand system and Astro's brand system, as the supporting colour. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Astro (https://brandsweets.com/colors/brands/astro-build), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #4ef9ac in 3 real palettes, including 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), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony: split] — Light Coral is a split-complement of #4ef9ac: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightcoral
- **Crimson** #dc143c [pool] — Crimson is paired with #4ef9ac 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
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #4ef9ac in two real palettes: Neon's brand system and Canopy, as the supporting colour. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/hunter-green
- **Red** #ff0000 [pool] — Red is paired with #4ef9ac 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

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

- On white (#ffffff): 1.36:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #05854b (4.71:1); AA: background → #616161 (4.56:1); AAA: text → #046238 (7.48:1); AAA: background → #454545 (7.06:1)
- On black (#000000): 15.47:1 — 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/4ef9ac-a2beb5-d459cc-1f2d2d-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: "#4ef9ac" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.