# #81d99d

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

## Values

- Hex: `#81d99d`
- RGB: rgb(129, 217, 157)
- HSL: hsl(139, 54%, 68%)
- OKLCH: oklch(0.814 0.121 153.2)
- Relative luminance: 0.5673
- Nearest named color: Enchanted Emerald (#7ed89a, Δ 0.553) — https://brandsweets.com/colors/enchanted-emerald
- Moods: neutral
- Page: https://brandsweets.com/colors/81d99d

## Tints & shades

- Tints (toward white): #8ddda6, #99e1b0, #a5e4b9, #b0e8c2, #bcebcb, #c8efd4, #d4f2dd, #e0f6e7, #ebf9f0, #f7fdf9
- Shades (toward black): #6ad28b, #4eca76, #39c064, #31a556, #2a8d4a, #23763d, #1b5a2f, #144323, #0c2714, #051008

## Harmonies

- Complementary: #d981be
- Analogous: #91d981, #81d9c9
- Triadic: #9d81d9, #d99d81
- Split-complementary: #c981d9, #d98191
- Tetradic: #8191d9, #d981be, #d9c981

## Colors that go with #81d99d

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

- **Plum** #dda0dd [harmony, pool: complementary] — Plum sits directly opposite #81d99d 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). — https://brandsweets.com/colors/plum
- **Blue** #0000ff [pool] — 5 real palettes, including Uber's brand system and Minecraft's brand system put Blue beside #81d99d, as the accent. Seen in: Uber (https://brandsweets.com/colors/brands/uber-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #81d99d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Docker (https://brandsweets.com/colors/brands/docker-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #81d99d in 4 real palettes, including Tiffany & Co.'s brand system and Wise's brand system, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Wise (https://brandsweets.com/colors/brands/wise-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Fresh Juice and Citrus Grove put Mustard Yellow beside #81d99d, as the supporting colour. Seen in: Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #81d99d in 4 real palettes, including Docker's brand system and Brilliant's brand system, as the supporting colour. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #81d99d in 22 real palettes, including Rain Garden and Mint Chip, as the text colour against it. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), 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 #81d99d: 5 real palettes, including Mint Chip and Pine & Birch, as the accent. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Resort (https://brandsweets.com/palettes/light#resort), Still Water (https://brandsweets.com/palettes/cool#still-water). — https://brandsweets.com/colors/wheat

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

- On white (#ffffff): 1.7:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #288646 (4.58:1); AA: background → #525252 (4.59:1); AAA: text → #1d6233 (7.38:1); AAA: background → #363636 (7.1:1)
- On black (#000000): 12.35:1 — 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/81d99d-a2beae-c059d4-1f2d2a-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: "#81d99d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.