# #57cb6d

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

## Values

- Hex: `#57cb6d`
- RGB: rgb(87, 203, 109)
- HSL: hsl(131, 53%, 57%)
- OKLCH: oklch(0.753 0.169 147.5)
- Relative luminance: 0.4584
- Nearest named color: Emerald Green (#50c878, Δ 1.793) — https://brandsweets.com/colors/emerald-green
- Moods: neutral
- Page: https://brandsweets.com/colors/57cb6d

## Tints & shades

- Tints (toward white): #67d07a, #76d588, #86da95, #96dfa3, #a9e5b4, #b9e9c2, #c8eecf, #d8f3dd, #e8f8eb, #f7fdf8
- Shades (toward black): #44c55c, #37b34e, #31a045, #2b8c3d, #257935, #1e622a, #184e22, #123b19, #0b230f, #051007

## Harmonies

- Complementary: #cb57b6
- Analogous: #7ccb57, #57cba7
- Triadic: #6d57cb, #cb6d57
- Split-complementary: #a757cb, #cb577c
- Tetradic: #577ccb, #cb57b6, #cba757

## Colors that go with #57cb6d

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 body-text near-black for #57cb6d: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Minecraft's brand system and Unity's brand system put Blue beside #57cb6d, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #57cb6d in 4 real palettes, including Brilliant's brand system and Docker's brand system, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Docker (https://brandsweets.com/colors/brands/docker-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #57cb6d in 12 real palettes, including WhatsApp's brand system and Chime's brand system, as the supporting colour. Seen in: WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Chime (https://brandsweets.com/colors/brands/chime-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #57cb6d 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/violet
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #57cb6d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #57cb6d in 3 real palettes, including 7-Eleven's brand system and Undergrowth, as the supporting colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/darkolivegreen
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #57cb6d in 3 real palettes, including Playground and Citrus Grove, as the lead colour. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/darkorange

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

- On white (#ffffff): 2.07:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #29853a (4.66:1); AA: background → #454545 (4.64:1); AAA: text → #1f652c (7.1:1); AAA: background → #292929 (7.04:1)
- On black (#000000): 10.17:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **WhatsApp** — accent #43cd66 (Δ 1.727) — https://brandsweets.com/colors/brands/whatsapp-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/57cb6d-a2beaa-b34edf-1f2d28-ecf1e9?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: "#57cb6d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.