# #57ff47

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

## Values

- Hex: `#57ff47`
- RGB: rgb(87, 255, 71)
- HSL: hsl(115, 100%, 64%)
- OKLCH: oklch(0.88 0.26 141.9)
- Relative luminance: 0.74
- Nearest named color: Cathode Green (#00ff55, Δ 2.202) — https://brandsweets.com/colors/cathode-green
- Moods: vivid
- Page: https://brandsweets.com/colors/57ff47

## Tints & shades

- Tints (toward white): #65ff57, #77ff6b, #85ff7a, #98ff8f, #a6ff9e, #b4ffad, #c7ffc2, #d5ffd1, #e8ffe5, #f6fff5
- Shades (toward black): #3bff29, #1fff0a, #14eb00, #11cc00, #0ead00, #0c8f00, #097000, #075200, #043300, #021400

## Harmonies

- Complementary: #f047ff
- Analogous: #b3ff47, #47ff94
- Triadic: #4757ff, #ff4757
- Split-complementary: #9447ff, #ff47b2
- Tetradic: #47b3ff, #f047ff, #ff9447

## Colors that go with #57ff47

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 #57ff47 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
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #57ff47 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #57ff47: 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 #57ff47: 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 #57ff47, 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
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #57ff47: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Lime Green** #32cd32 [pool] — Two real palettes: Duolingo's brand system and Monster Energy's brand system put Lime Green beside #57ff47, 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 #57ff47 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): 1.33:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0b8a00 (4.52:1); AA: background → #636363 (4.52:1); AAA: text → #086600 (7.21:1); AAA: background → #454545 (7.21:1)
- On black (#000000): 15.8:1 — 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/57ff47-a2bea3-8d4edf-1f2d24-eef1e9?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: "#57ff47" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.