# #81d997

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

## Values

- Hex: `#81d997`
- RGB: rgb(129, 217, 151)
- HSL: hsl(135, 54%, 68%)
- OKLCH: oklch(0.813 0.127 150.8)
- Relative luminance: 0.5653
- Nearest named color: Enchanted Emerald (#7ed89a, Δ 0.598) — https://brandsweets.com/colors/enchanted-emerald
- Moods: neutral
- Page: https://brandsweets.com/colors/81d997

## Tints & shades

- Tints (toward white): #8ddda1, #99e1ab, #a5e4b5, #b0e8be, #bcebc8, #c8efd2, #d4f2db, #e0f6e5, #ebf9ef, #f7fdf9
- Shades (toward black): #6ad284, #4eca6d, #39c05b, #31a54e, #2a8d43, #237638, #1b5a2b, #144320, #0c2713, #051007

## Harmonies

- Complementary: #d981c3
- Analogous: #97d981, #81d9c3
- Triadic: #9781d9, #d99781
- Split-complementary: #c381d9, #d98197
- Tetradic: #8197d9, #d981c3, #d9c381

## Colors that go with #81d997

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

- **Blue** #0000ff [pool] — 4 real palettes, including Minecraft's brand system and Unity's brand system put Blue beside #81d997, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com), Uber (https://brandsweets.com/colors/brands/uber-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 #81d997: 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 #81d997 in 4 real palettes, including Wise's brand system and Tiffany & Co.'s brand system, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-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 #81d997, 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 #81d997 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), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #81d997 in 21 real palettes, including Rain Garden and Blossom, as the text colour against it. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Blossom (https://brandsweets.com/palettes/light#blossom), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #81d997: 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
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #81d997 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

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

- On white (#ffffff): 1.71:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #28863f (4.59:1); AA: background → #525252 (4.58:1); AAA: text → #1e6630 (7:1); AAA: background → #363636 (7.08:1)
- On black (#000000): 12.31:1 — 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/81d997-a2beac-b759d4-1f2d29-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: "#81d997" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.