# #4efdb1

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

## Values

- Hex: `#4efdb1`
- RGB: rgb(78, 253, 177)
- HSL: hsl(154, 98%, 65%)
- OKLCH: oklch(0.887 0.177 160.1)
- Relative luminance: 0.7504
- Nearest named color: Illicit Green (#56fca2, Δ 1.761) — https://brandsweets.com/colors/illicit-green
- Moods: vivid
- Page: https://brandsweets.com/colors/4efdb1

## Tints & shades

- Tints (toward white): #5dfdb8, #72fec1, #81fec8, #90fece, #a4fed7, #b3fede, #c2fee4, #d2ffeb, #e6fff4, #f5fffb
- Shades (toward black): #30fda4, #12fd97, #02ed88, #02cf76, #02b165, #018d51, #016f3f, #01512e, #01321d, #00140c

## Harmonies

- Complementary: #fd4e9a
- Analogous: #4efd5a, #4ef2fd
- Triadic: #b14efd, #fdb14e
- Split-complementary: #fd4ef2, #fd5a4e
- Tetradic: #5a4efd, #fd4e9a, #f2fd4e

## Colors that go with #4efdb1

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 #4efdb1: softer than #000 and cool enough to feel like part of the same palette. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Canopy (https://brandsweets.com/palettes/cool#canopy), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #4efdb1 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 #4efdb1: 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 #4efdb1 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 #4efdb1: 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 #4efdb1 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 #4efdb1 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 #4efdb1 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): 1.31:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #01884e (4.53:1); AA: background → #636363 (4.58:1); AAA: text → #01653a (7.18:1); AAA: background → #474747 (7.08:1)
- On black (#000000): 16.01:1 — 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/4efdb1-a2beb5-d459ca-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: "#4efdb1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.