# #4ee9e4

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

## Values

- Hex: `#4ee9e4`
- RGB: rgb(78, 233, 228)
- HSL: hsl(178, 78%, 61%)
- OKLCH: oklch(0.853 0.128 191.9)
- Relative luminance: 0.655
- Nearest named color: Frozen Boubble (#00eedd, Δ 2.7) — https://brandsweets.com/colors/frozen-boubble
- Moods: vivid
- Page: https://brandsweets.com/colors/4ee9e4

## Tints & shades

- Tints (toward white): #60ebe7, #6eede9, #80efec, #92f2ee, #a4f4f1, #b2f5f3, #c4f8f6, #d6faf9, #e4fcfb, #f6fefe
- Shades (toward black): #33e6e0, #1ce3dc, #19c8c2, #15aca7, #139691, #0f7b77, #0c5f5d, #084442, #062d2c, #021212

## Harmonies

- Complementary: #e94e53
- Analogous: #4ee996, #4ea1e9
- Triadic: #e44ee9, #e9e44e
- Split-complementary: #e94ea1, #e9964e
- Tetradic: #964ee9, #e94e53, #a1e94e

## Colors that go with #4ee9e4

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 #4ee9e4: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Boeing (https://brandsweets.com/colors/brands/boeing-com), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #4ee9e4's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony, pool: complementary] — Light Coral sits directly opposite #4ee9e4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightcoral
- **Crimson** #dc143c [pool] — Crimson is paired with #4ee9e4 in 4 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Taupe** #483c32 [pool] — Taupe is paired with #4ee9e4 in 10 real palettes, including Astro's brand system and Mint Chip, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Boeing (https://brandsweets.com/colors/brands/boeing-com), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #4ee9e4: 4 real palettes, including Mint Chip and Oatly's brand system, as the accent. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Oatly (https://brandsweets.com/colors/brands/oatly-com), Sorbet (https://brandsweets.com/palettes/light#sorbet), Still Water (https://brandsweets.com/palettes/cool#still-water). — https://brandsweets.com/colors/wheat
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #4ee9e4: 3 real palettes, including Bluesky Social's brand system and Patreon's brand system, as the lead colour. Seen in: Bluesky Social (https://brandsweets.com/colors/brands/bsky-app), Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/dodgerblue
- **Light Pink** #ffb6c1 [pool] — Light Pink shows up next to #4ee9e4 in 3 real palettes, including Macaron and Pastel Pop, as the lead colour. Seen in: Macaron (https://brandsweets.com/palettes/light#macaron), Pastel Pop (https://brandsweets.com/palettes/playful#pastel-pop), Sorbet (https://brandsweets.com/palettes/light#sorbet). — https://brandsweets.com/colors/lightpink

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

- On white (#ffffff): 1.49:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #108480 (4.53:1); AA: background → #595959 (4.7:1); AAA: text → #0c5f5d (7.47:1); AAA: background → #3d3d3d (7.29:1)
- On black (#000000): 14.1:1 — 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/4ee9e4-a2bcbe-d45999-1f282d-e9f1ed?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: "#4ee9e4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.