# #81d9bb

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

## Values

- Hex: `#81d9bb`
- RGB: rgb(129, 217, 187)
- HSL: hsl(160, 54%, 68%)
- OKLCH: oklch(0.821 0.096 170)
- Relative luminance: 0.5788
- Nearest named color: Cabbage (#87d7be, Δ 0.981) — https://brandsweets.com/colors/cabbage
- Moods: neutral
- Page: https://brandsweets.com/colors/81d9bb

## Tints & shades

- Tints (toward white): #8dddc2, #99e1c9, #a5e4cf, #b0e8d5, #bcebdb, #c8efe2, #d4f2e8, #e0f6ee, #ebf9f5, #f7fdfb
- Shades (toward black): #6ad2b0, #4ecaa1, #39c093, #31a57e, #2a8d6c, #23765a, #1b5a45, #144333, #0c271e, #05100c

## Harmonies

- Complementary: #d9819f
- Analogous: #81d990, #81cbd9
- Triadic: #bc81d9, #d9bc81
- Split-complementary: #d981cb, #d99081
- Tetradic: #9081d9, #d9819f, #cbd981

## Colors that go with #81d9bb

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 #81d9bb: 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), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #81d9bb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Crypto.com (https://brandsweets.com/colors/brands/crypto-com), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/lilac
- **Crimson** #dc143c [pool] — Crimson is paired with #81d9bb in 6 real palettes, including Tiffany & Co.'s brand system and Frost & Ember, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), 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 #81d9bb: 6 real palettes, including Astro's brand system and Salesforce's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Slate Gray** #708090 [pool] — 9 real palettes, including Ledger Dark and Still Water put Slate Gray beside #81d9bb, as the supporting colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Still Water (https://brandsweets.com/palettes/cool#still-water), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/slategray
- **Taupe** #483c32 [pool] — Taupe is paired with #81d9bb in 25 real palettes, including Mint Chip and Rain Garden, as the text colour against it. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Blossom (https://brandsweets.com/palettes/light#blossom), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #81d9bb: 6 real palettes, including Mint Chip and Oatly's brand system, as the accent. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Oatly (https://brandsweets.com/colors/brands/oatly-com), Still Water (https://brandsweets.com/palettes/cool#still-water), Resort (https://brandsweets.com/palettes/light#resort). — https://brandsweets.com/colors/wheat
- **Dark Salmon** #e9967a [harmony, pool: split] — Dark Salmon is a split-complement of #81d9bb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Polaroid (https://brandsweets.com/palettes/light#polaroid). — https://brandsweets.com/colors/darksalmon

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

- On white (#ffffff): 1.67:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #278263 (4.71:1); AA: background → #545454 (4.54:1); AAA: text → #1d624b (7.24:1); AAA: background → #383838 (7.02:1)
- On black (#000000): 12.58:1 — 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/81d9bb-a2beb8-d459be-1f2c2d-e9f1eb?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: "#81d9bb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.