# #81e9bf

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

## Values

- Hex: `#81e9bf`
- RGB: rgb(129, 233, 191)
- HSL: hsl(156, 70%, 71%)
- OKLCH: oklch(0.859 0.115 165.6)
- Relative luminance: 0.6671
- Nearest named color: Seafoam (#93e9be, Δ 1.615) — https://brandsweets.com/colors/seafoam
- Moods: vivid, light, clean
- Page: https://brandsweets.com/colors/81e9bf

## Tints & shades

- Tints (toward white): #8eebc6, #97edca, #a4efd1, #b1f1d8, #bef4de, #c7f5e2, #d4f7e9, #e1faf0, #e9fbf4, #f6fdfb
- Shades (toward black): #63e3b0, #49dfa3, #2bda94, #22bf80, #1da56e, #18865a, #126846, #0d4a31, #083020, #03110c

## Harmonies

- Complementary: #e981ab
- Analogous: #81e98c, #81dee9
- Triadic: #bf81e9, #e9bf81
- Split-complementary: #e981de, #e98c81
- Tetradic: #8c81e9, #e981ab, #dee981

## Colors that go with #81e9bf

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 #81e9bf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Docker (https://brandsweets.com/colors/brands/docker-com), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com). — https://brandsweets.com/colors/charcoal
- **Plum** #dda0dd [harmony, pool: complementary] — Plum sits directly opposite #81e9bf on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Blossom (https://brandsweets.com/palettes/light#blossom), Netlify (https://brandsweets.com/colors/brands/netlify-com). — https://brandsweets.com/colors/plum
- **Crimson** #dc143c [pool] — Crimson is paired with #81e9bf in 4 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #81e9bf: 5 real palettes, including Astro's brand system and Prime Video's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/deepskyblue
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #81e9bf: 4 real palettes, including Scale AI's brand system and Pine & Birch, as the supporting colour. Seen in: Scale AI (https://brandsweets.com/colors/brands/scale-com), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/sage-green
- **Taupe** #483c32 [pool] — Taupe is paired with #81e9bf in 15 real palettes, including Astro's brand system and Mint Chip, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Blossom (https://brandsweets.com/palettes/light#blossom), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/taupe
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #81e9bf in 3 real palettes, including Canopy and Neon's brand system, as the lead colour. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Neon (https://brandsweets.com/colors/brands/neon-tech), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch). — https://brandsweets.com/colors/hunter-green
- **Midnight Blue** #191970 [pool] — 3 real palettes, including First Snow and American Eagle's brand system put Midnight Blue beside #81e9bf, as the text colour against it. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), American Eagle (https://brandsweets.com/colors/brands/ae-com), Allbirds (https://brandsweets.com/colors/brands/allbirds-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 1.46:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #18865a (4.57:1); AA: background → #5c5c5c (4.57:1); AAA: text → #126443 (7.17:1); AAA: background → #404040 (7.08:1)
- On black (#000000): 14.34:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Supabase** — secondary #95e6b8 (Δ 1.842) — https://brandsweets.com/colors/brands/supabase

## Fonts for this mood

- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/81e9bf-a2beb6-d459c6-1f2d2d-e9f1ea?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: "#81e9bf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.