# #57b2a4

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

## Values

- Hex: `#57b2a4`
- RGB: rgb(87, 178, 164)
- HSL: hsl(171, 37%, 52%)
- OKLCH: oklch(0.704 0.09 182.3)
- Relative luminance: 0.3655
- Nearest named color: Ambrosial Oceanside (#47ae9c, Δ 2.071) — https://brandsweets.com/colors/ambrosial-oceanside
- Moods: neutral
- Page: https://brandsweets.com/colors/57b2a4

## Tints & shades

- Tints (toward white): #69baae, #77c0b5, #88c8bf, #96cfc6, #a8d7d0, #b9dfd9, #c7e5e1, #d9edea, #e7f4f2, #f8fcfb
- Shades (toward black): #4ca497, #439387, #3d857a, #35736a, #2d625a, #25504a, #1d3f3a, #16312d, #0e1f1d, #060e0d

## Harmonies

- Complementary: #b25765
- Analogous: #57b277, #5792b2
- Triadic: #a457b2, #b2a457
- Split-complementary: #b25792, #b27757
- Tetradic: #7757b2, #b25765, #92b257

## Colors that go with #57b2a4

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 #57b2a4: 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), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #57b2a4 in 4 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), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #57b2a4: 4 real palettes, including Open House and Dusk, as the lead colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk), Peacock (https://brandsweets.com/palettes/vivid#peacock), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #57b2a4: 4 real palettes, including Unity's brand system and Spline's brand system, as the lead colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spline (https://brandsweets.com/colors/brands/spline-design), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Ford's brand system and Confluent's brand system put Midnight Blue beside #57b2a4, as the lead colour. Seen in: Ford (https://brandsweets.com/colors/brands/ford-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Diner and Lido put Mustard Yellow beside #57b2a4, as the accent. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Lido (https://brandsweets.com/palettes/vivid#lido), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice). — https://brandsweets.com/colors/mustard
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #57b2a4: 4 real palettes, including First Snow and Stone, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Stone (https://brandsweets.com/palettes/neutral#stone), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Ink Wash (https://brandsweets.com/palettes/dark#ink-wash). — https://brandsweets.com/colors/powderblue
- **Terracotta** #e2725b [harmony, pool: split] — Terracotta is a split-complement of #57b2a4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Alpine (https://brandsweets.com/palettes/cool#alpine), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/terracotta

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

- On white (#ffffff): 2.53:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3b8177 (4.57:1); AA: background → #383838 (4.64:1); AAA: text → #2b5e57 (7.39:1); AAA: background → #171717 (7.09:1)
- On black (#000000): 8.31:1 — 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/57b2a4-a2bebd-d459a7-1f292d-e9f1ec?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: "#57b2a4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.