# #57c776

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

## Values

- Hex: `#57c776`
- RGB: rgb(87, 199, 118)
- HSL: hsl(137, 50%, 56%)
- OKLCH: oklch(0.745 0.155 150.1)
- Relative luminance: 0.4418
- Nearest named color: Emerald Green (#50c878, Δ 0.479) — https://brandsweets.com/colors/emerald-green
- Moods: neutral
- Page: https://brandsweets.com/colors/57c776

## Tints & shades

- Tints (toward white): #66cc83, #75d18f, #88d79f, #98ddab, #a7e2b8, #b6e7c4, #c6ecd0, #d9f2e0, #e8f7ec, #f7fcf9
- Shades (toward black): #44c167, #3bb05c, #339950, #2d8646, #26733c, #206032, #1a4d28, #12361c, #0b2212, #050f08

## Harmonies

- Complementary: #c757a7
- Analogous: #6fc757, #57c7af
- Triadic: #7657c7, #c77657
- Split-complementary: #af57c7, #c7576f
- Tetradic: #576fc7, #c757a7, #c7af57

## Colors that go with #57c776

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 #57c776: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Minecraft's brand system and Unity's brand system put Blue beside #57c776, 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
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #57c776 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), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Meadow and Citrus Grove put Mustard Yellow beside #57c776, as the supporting colour. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #57c776 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), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #57c776 in 16 real palettes, including Chime's brand system and WhatsApp's brand system, as the lead colour. Seen in: Chime (https://brandsweets.com/colors/brands/chime-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Meadow (https://brandsweets.com/palettes/light#meadow), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #57c776 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 #57c776: 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

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

- On white (#ffffff): 2.13:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2d8646 (4.56:1); AA: background → #424242 (4.71:1); AAA: text → #216334 (7.24:1); AAA: background → #262626 (7.09:1)
- On black (#000000): 9.84:1 — 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/57c776-a2bead-bb59d4-1f2d29-ebf1e9?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: "#57c776" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.