# #57e4fa

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#57e4fa`
- RGB: rgb(87, 228, 250)
- HSL: hsl(188, 94%, 66%)
- OKLCH: oklch(0.852 0.123 209.6)
- Relative luminance: 0.6442
- Nearest named color: Aqua (#0ff0fe, Δ 3.492) — https://brandsweets.com/colors/aqua-2
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/57e4fa

## Tints & shades

- Tints (toward white): #66e6fa, #74e9fb, #88ecfb, #97eefc, #a6f1fc, #b5f3fd, #c4f5fd, #d7f9fe, #e6fbfe, #f5fdff
- Shades (toward black): #39dff9, #1bdbf8, #07cae9, #06b1cb, #0597ad, #047d8f, #046372, #02454f, #022b31, #011114

## Harmonies

- Complementary: #fa6d57
- Analogous: #57fabe, #5793fa
- Triadic: #fa57e4, #e4fa57
- Split-complementary: #fa5793, #fabe57
- Tetradic: #be57fa, #fa6d57, #93fa57

## Colors that go with #57e4fa

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 #57e4fa: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #57e4fa's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Astro (https://brandsweets.com/colors/brands/astro-build), Calendly (https://brandsweets.com/colors/brands/calendly-com). — https://brandsweets.com/colors/deepskyblue
- **Crimson** #dc143c [pool] — Crimson is paired with #57e4fa in 4 real palettes, including Tiffany & Co.'s brand system and Frost & Ember, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Taupe** #483c32 [pool] — Taupe is paired with #57e4fa in 12 real palettes, including Boeing's brand system and Macaron, as the text colour against it. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery), Mint Chip (https://brandsweets.com/palettes/light#mint-chip). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #57e4fa: 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
- **Salmon** #fa8072 [harmony: complementary] — Salmon sits directly opposite #57e4fa 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/salmon
- **Dark Orange** #ff8c00 [harmony, pool: split] — Dark Orange is a split-complement of #57e4fa: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: PayPal (https://brandsweets.com/colors/brands/paypal-com). — https://brandsweets.com/colors/darkorange
- **Blue** #0000ff [pool] — 3 real palettes, including Uber's brand system and Warp's brand system put Blue beside #57e4fa, as the accent. Seen in: Uber (https://brandsweets.com/colors/brands/uber-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 1.51:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #058194 (4.59:1); AA: background → #595959 (4.63:1); AAA: text → #035f6d (7.34:1); AAA: background → #3d3d3d (7.18:1)
- On black (#000000): 13.88:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/57e4fa-a2b7be-df4e81-1f252d-e9f1ee?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: "#57e4fa" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.