# #4efda3

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

## Values

- Hex: `#4efda3`
- RGB: rgb(78, 253, 163)
- HSL: hsl(149, 98%, 65%)
- OKLCH: oklch(0.885 0.189 156.1)
- Relative luminance: 0.7451
- Nearest named color: Illicit Green (#56fca2, Δ 0.403) — https://brandsweets.com/colors/illicit-green
- Moods: vivid
- Page: https://brandsweets.com/colors/4efda3

## Tints & shades

- Tints (toward white): #5dfdab, #72feb5, #81febd, #90fec5, #a4fed0, #b3fed8, #c2fedf, #d2ffe7, #e6fff2, #f5fffa
- Shades (toward black): #30fd93, #12fd83, #02ed74, #02cf65, #02b156, #018d45, #016f36, #015127, #013219, #00140a

## Harmonies

- Complementary: #fd4ea9
- Analogous: #51fd4e, #4efdfa
- Triadic: #a34efd, #fda34e
- Split-complementary: #fa4efd, #fd4e51
- Tetradic: #4e51fd, #fd4ea9, #fdfa4e

## Colors that go with #4efda3

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 #4efda3 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 #4efda3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #4efda3: 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 #4efda3: 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 #4efda3: 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 #4efda3 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 #4efda3 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #4efda3 in two real palettes: MongoDB's brand system and Docker's brand system, as the supporting colour. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 1.32:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #018843 (4.56:1); AA: background → #636363 (4.55:1); AAA: text → #016531 (7.22:1); AAA: background → #474747 (7.04:1)
- On black (#000000): 15.9:1 — 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/4efda3-a2beb3-d459d4-1f2d2c-e9f1e9?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: "#4efda3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.