# #57cbca

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

## Values

- Hex: `#57cbca`
- RGB: rgb(87, 203, 202)
- HSL: hsl(179, 53%, 57%)
- OKLCH: oklch(0.776 0.104 194.4)
- Relative luminance: 0.49
- Nearest named color: mediumturquoise (#48d1cc, Δ 1.706) — https://brandsweets.com/colors/mediumturquoise
- Moods: neutral
- Page: https://brandsweets.com/colors/57cbca

## Tints & shades

- Tints (toward white): #67d0cf, #76d5d3, #86dad8, #96dfdd, #a9e5e4, #b9e9e9, #c8eeee, #d8f3f3, #e8f8f8, #f7fdfd
- Shades (toward black): #44c5c3, #37b3b1, #31a09e, #2b8c8b, #257978, #1e6260, #184e4d, #123b3a, #0b2323, #05100f

## Harmonies

- Complementary: #cb5759
- Analogous: #57cb8f, #5793cb
- Triadic: #ca57cb, #cbca57
- Split-complementary: #cb5793, #cb8f57
- Tetradic: #8f57cb, #cb5759, #93cb57

## Colors that go with #57cbca

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 #57cbca: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Light Coral** #f08080 [harmony, pool: complementary] — Light Coral sits directly opposite #57cbca 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
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Uber's brand system put Blue beside #57cbca, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Uber (https://brandsweets.com/colors/brands/uber-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #57cbca in 4 real palettes, including Riot Games's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Riot Games (https://brandsweets.com/colors/brands/riotgames-com), 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). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #57cbca: 4 real palettes, including UEFA's brand system and Coca-Cola's brand system, as the accent. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Open House (https://brandsweets.com/palettes/clean#open-house), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #57cbca: 5 real palettes, including Patreon's brand system and Opensea's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io), Figma (https://brandsweets.com/colors/brands/figma), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Confluent's brand system and Telehealth put Midnight Blue beside #57cbca, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Telehealth (https://brandsweets.com/palettes/modern#telehealth), First Snow (https://brandsweets.com/palettes/cool#first-snow), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #57cbca in 6 real palettes, including Docker's brand system and Brilliant's brand system, as the supporting colour. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 1.94:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #28817f (4.63:1); AA: background → #4a4a4a (4.56:1); AAA: text → #1e6260 (7.07:1); AAA: background → #2b2b2b (7.28:1)
- On black (#000000): 10.8:1 — 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/57cbca-a2bbbe-d45996-1f272d-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: "#57cbca" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.