# #5ef381

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

## Values

- Hex: `#5ef381`
- RGB: rgb(94, 243, 129)
- HSL: hsl(134, 86%, 66%)
- OKLCH: oklch(0.858 0.201 148.3)
- Relative luminance: 0.6807
- Nearest named color: Emerald Ice Palace (#2af589, Δ 2.049) — https://brandsweets.com/colors/emerald-ice-palace
- Moods: vivid
- Page: https://brandsweets.com/colors/5ef381

## Tints & shades

- Tints (toward white): #6cf48c, #7af597, #8df6a6, #9bf8b1, #aaf9bc, #b8fac7, #c6fbd2, #d9fce1, #e7fdec, #f6fef8
- Shades (toward black): #41f16a, #25ef54, #11df41, #0fc239, #0ca630, #0a8a28, #086d20, #064c16, #042f0e, #011306

## Harmonies

- Complementary: #f35ed0
- Analogous: #86f35e, #5ef3cb
- Triadic: #815ef3, #f3815e
- Split-complementary: #cb5ef3, #f35e86
- Tetradic: #5e86f3, #f35ed0, #f3cb5e

## Colors that go with #5ef381

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 #5ef381 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 #5ef381: 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), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #5ef381: 3 real palettes, including Remix's brand system and Prime Video's brand system, as the lead colour. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #5ef381 in 3 real palettes, including MongoDB's brand system and Docker's brand system, as the supporting colour. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Docker (https://brandsweets.com/colors/brands/docker-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #5ef381 in 3 real palettes, including 7-Eleven's brand system and Astro's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Astro (https://brandsweets.com/colors/brands/astro-build), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony: split] — Light Coral is a split-complement of #5ef381: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightcoral
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #5ef381: 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 #5ef381, 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

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

- On white (#ffffff): 1.44:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0a8527 (4.78:1); AA: background → #5e5e5e (4.51:1); AAA: text → #07641d (7.37:1); AAA: background → #404040 (7.21:1)
- On black (#000000): 14.61:1 — 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/5ef381-a2beac-b559d4-1f2d29-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: "#5ef381" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.