# #57ff78

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

## Values

- Hex: `#57ff78`
- RGB: rgb(87, 255, 120)
- HSL: hsl(132, 100%, 67%)
- OKLCH: oklch(0.885 0.226 146.8)
- Relative luminance: 0.749
- Nearest named color: Experimintal Green (#4cff7b, Δ 0.539) — https://brandsweets.com/colors/experimintal-green
- Moods: vivid
- Page: https://brandsweets.com/colors/57ff78

## Tints & shades

- Tints (toward white): #66ff85, #75ff91, #85ff9d, #94ffa9, #a8ffba, #b8ffc6, #c7ffd2, #d6ffde, #e5ffeb, #f5fff7
- Shades (toward black): #38ff60, #14ff43, #00f531, #00d62b, #00b825, #00941e, #007517, #005711, #00330a, #001404

## Harmonies

- Complementary: #ff57dd
- Analogous: #89ff57, #57ffcd
- Triadic: #7857ff, #ff7857
- Split-complementary: #cd57ff, #ff5789
- Tetradic: #5789ff, #ff57dd, #ffcd57

## Colors that go with #57ff78

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #57ff78 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #57ff78: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #57ff78: 3 real palettes, including Prime Video's brand system and Remix's brand system, as the supporting colour. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #57ff78: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #57ff78: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Blue** #0000ff [pool] — Two real palettes: MongoDB's brand system and Robinhood's brand system put Blue beside #57ff78, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com). — https://brandsweets.com/colors/blue
- **Lime Green** #32cd32 [pool] — Two real palettes: Duolingo's brand system and Monster Energy's brand system put Lime Green beside #57ff78, as the lead colour. Seen in: Duolingo (https://brandsweets.com/colors/brands/duolingo), Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com). — https://brandsweets.com/colors/limegreen
- **Red** #ff0000 [pool] — Red is paired with #57ff78 in two real palettes: Wise's brand system and Gatorade's brand system, as the lead colour. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Gatorade (https://brandsweets.com/colors/brands/gatorade-com). — https://brandsweets.com/colors/red

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

- On white (#ffffff): 1.31:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #008a1c (4.51:1); AA: background → #636363 (4.57:1); AAA: text → #006614 (7.21:1); AAA: background → #474747 (7.07:1)
- On black (#000000): 15.98:1 — 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/57ff78-a2beab-b64edf-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: "#57ff78" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.