# #57cb69

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

## Values

- Hex: `#57cb69`
- RGB: rgb(87, 203, 105)
- HSL: hsl(129, 53%, 57%)
- OKLCH: oklch(0.753 0.173 146.6)
- Relative luminance: 0.4576
- Nearest named color: Emerald Green (#50c878, Δ 2.179) — https://brandsweets.com/colors/emerald-green
- Moods: neutral
- Page: https://brandsweets.com/colors/57cb69

## Tints & shades

- Tints (toward white): #67d077, #76d585, #86da93, #96dfa1, #a9e5b2, #b9e9c0, #c8eece, #d8f3dc, #e8f8ea, #f7fdf8
- Shades (toward black): #44c557, #37b34a, #31a042, #2b8c3a, #257932, #1e6228, #184e20, #123b18, #0b230e, #051006

## Harmonies

- Complementary: #cb57ba
- Analogous: #80cb57, #57cba3
- Triadic: #6957cb, #cb6957
- Split-complementary: #a357cb, #cb5780
- Tetradic: #5780cb, #cb57ba, #cba357

## Colors that go with #57cb69

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 #57cb69: 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 #57cb69, 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 #57cb69 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 #57cb69 in 11 real palettes, including WhatsApp's brand system and Minecraft's brand system, as the supporting colour. Seen in: WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Chime (https://brandsweets.com/colors/brands/chime-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #57cb69 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 #57cb69: 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 #57cb69 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 #57cb69 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 → #298537 (4.66:1); AA: background → #454545 (4.63:1); AAA: text → #1f652a (7.11:1); AAA: background → #292929 (7.03:1)
- On black (#000000): 10.15:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **WhatsApp** — accent #43cd66 (Δ 1.428) — 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/57cb69-a2bea9-ae4edf-1f2d27-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: "#57cb69" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.