# #81ca90

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

## Values

- Hex: `#81ca90`
- RGB: rgb(129, 202, 144)
- HSL: hsl(132, 41%, 65%)
- OKLCH: oklch(0.776 0.11 149.8)
- Relative luminance: 0.4892
- Nearest named color: Exhilarating Green (#81c784, Δ 1.509) — https://brandsweets.com/colors/exhilarating-green
- Moods: neutral
- Page: https://brandsweets.com/colors/81ca90

## Tints & shades

- Tints (toward white): #8ccf99, #9ad5a6, #a5d9b0, #b0deb9, #bee4c6, #c9e8cf, #d4edd9, #dff1e2, #edf7ef, #f8fcf9
- Shades (toward black): #6cc17d, #56b86a, #47a95a, #3e934f, #357e43, #2a6536, #214f2a, #183a1f, #0f2413, #060e08

## Harmonies

- Complementary: #ca81bc
- Analogous: #97ca81, #81cab4
- Triadic: #9081ca, #ca9081
- Split-complementary: #b481ca, #ca8197
- Tetradic: #8197ca, #ca81bc, #cab481

## Colors that go with #81ca90

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 body-text near-black for #81ca90: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Canopy (https://brandsweets.com/palettes/cool#canopy), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Plum** #dda0dd [harmony, pool: complementary] — Plum sits directly opposite #81ca90 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
- **Blue** #0000ff [pool] — 7 real palettes, including Unity's brand system and Minecraft's brand system put Blue beside #81ca90, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Uber (https://brandsweets.com/colors/brands/uber-com), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #81ca90 in 5 real palettes, including Tiffany & Co.'s brand system and DuckDuckGo's brand system, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Wise (https://brandsweets.com/colors/brands/wise-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #81ca90 in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/darkolivegreen
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #81ca90 in 4 real palettes, including Neon's brand system and Canopy, as the supporting colour. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), Canopy (https://brandsweets.com/palettes/cool#canopy), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/hunter-green
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Fresh Juice and Citrus Grove put Mustard Yellow beside #81ca90, as the supporting colour. Seen in: Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Meadow (https://brandsweets.com/palettes/light#meadow), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/mustard
- **Slate Gray** #708090 [pool] — 8 real palettes, including Ledger Dark and Indigo SaaS put Slate Gray beside #81ca90, as the supporting colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Still Water (https://brandsweets.com/palettes/cool#still-water). — https://brandsweets.com/colors/slategray

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

- On white (#ffffff): 1.95:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #388547 (4.55:1); AA: background → #4a4a4a (4.55:1); AAA: text → #296134 (7.36:1); AAA: background → #2b2b2b (7.27:1)
- On black (#000000): 10.78:1 — 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/81ca90-a2beab-b64edf-1f2d28-ecf1e9?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: "#81ca90" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.