# #57b2b2

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

## Values

- Hex: `#57b2b2`
- RGB: rgb(87, 178, 178)
- HSL: hsl(180, 37%, 52%)
- OKLCH: oklch(0.708 0.087 195.4)
- Relative luminance: 0.3708
- Nearest named color: lightseagreen (#20b2aa, Δ 3.417) — https://brandsweets.com/colors/lightseagreen
- Moods: cool, modern
- Page: https://brandsweets.com/colors/57b2b2

## Tints & shades

- Tints (toward white): #69baba, #77c0c0, #88c8c8, #96cfcf, #a8d7d7, #b9dfdf, #c7e5e5, #d9eded, #e7f4f4, #f8fcfc
- Shades (toward black): #4ca4a4, #439393, #3d8585, #357373, #2d6262, #255050, #1d3f3f, #163131, #0e1f1f, #060e0e

## Harmonies

- Complementary: #b25757
- Analogous: #57b285, #5785b2
- Triadic: #b257b2, #b2b257
- Split-complementary: #b25785, #b28557
- Tetradic: #8557b2, #b25757, #85b257

## Colors that go with #57b2b2

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 #57b2b2: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Unity's brand system put Blue beside #57b2b2, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Unity (https://brandsweets.com/colors/brands/unity-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Uber (https://brandsweets.com/colors/brands/uber-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #57b2b2 in 4 real palettes, including Riot Games's brand system and Diner, as the supporting colour. Seen in: Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Diner (https://brandsweets.com/palettes/vivid#diner), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #57b2b2 in 5 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #57b2b2: 6 real palettes, including Open House and Coca-Cola's brand system, as the lead colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #57b2b2: 6 real palettes, including Unity's brand system and Patreon's brand system, as the lead colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #57b2b2, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Ford (https://brandsweets.com/colors/brands/ford-com), Open House (https://brandsweets.com/palettes/clean#open-house), SoFi (https://brandsweets.com/colors/brands/sofi-com). — https://brandsweets.com/colors/midnightblue
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #57b2b2 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/lightcoral

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

- On white (#ffffff): 2.5:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3b8181 (4.52:1); AA: background → #383838 (4.7:1); AAA: text → #2b5e5e (7.33:1); AAA: background → #171717 (7.19:1)
- On black (#000000): 8.42:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Taco Bell** — accent #5cb8b2 (Δ 1.855) — https://brandsweets.com/colors/brands/tacobell-com

## Fonts for this mood

- 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/57b2b2-a2bbbe-d45994-1f272d-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: "#57b2b2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.