# #81da87

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

## Values

- Hex: `#81da87`
- RGB: rgb(129, 218, 135)
- HSL: hsl(124, 55%, 68%)
- OKLCH: oklch(0.812 0.144 145.6)
- Relative luminance: 0.5656
- Nearest named color: Fluorescence (#89d178, Δ 2.482) — https://brandsweets.com/colors/fluorescence
- Moods: neutral
- Page: https://brandsweets.com/colors/81da87

## Tints & shades

- Tints (toward white): #8cde92, #98e19d, #a4e5a8, #b0e8b4, #bcebbf, #c8efca, #d4f2d6, #dff6e1, #ebf9ec, #f7fdf7
- Shades (toward black): #69d370, #4dcb56, #38c241, #30a638, #298e30, #227728, #1a5b1f, #144317, #0b280d, #051005

## Harmonies

- Complementary: #da81d4
- Analogous: #a7da81, #81dab3
- Triadic: #8781da, #da8781
- Split-complementary: #b381da, #da81a7
- Tetradic: #81a7da, #da81d4, #dab381

## Colors that go with #81da87

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 #81da87 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #81da87: 4 real palettes, including Remix's brand system and Prime Video's brand system, as the lead colour. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Astro (https://brandsweets.com/colors/brands/astro-build), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Fresh Juice and Citrus Grove put Mustard Yellow beside #81da87, 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #81da87 in 4 real palettes, including Docker's brand system and MongoDB's brand system, as the supporting colour. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #81da87 in 16 real palettes, including 7-Eleven's brand system and Citrus Grove, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/taupe
- **Blue** #0000ff [pool] — 3 real palettes, including Minecraft's brand system and MongoDB's brand system put Blue beside #81da87, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #81da87: 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). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #81da87 in 3 real palettes, including Wise's brand system and Formula 1's brand system, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 1.71:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #27862d (4.63:1); AA: background → #525252 (4.58:1); AAA: text → #1d6321 (7.35:1); 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/81da87-a2bea7-a24edf-1f2d26-edf1e9?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: "#81da87" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.