# #81bbab

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

## Values

- Hex: `#81bbab`
- RGB: rgb(129, 187, 171)
- HSL: hsl(163, 30%, 62%)
- OKLCH: oklch(0.747 0.065 175.4)
- Relative luminance: 0.4315
- Nearest named color: Celadon Porcelain (#7ebea5, Δ 1.443) — https://brandsweets.com/colors/celadon-porcelain
- Moods: muted
- Page: https://brandsweets.com/colors/81bbab

## Tints & shades

- Tints (toward white): #8ec2b4, #98c8ba, #a5cfc3, #afd4ca, #bddbd3, #cae2dc, #d4e8e2, #e1efeb, #ebf4f2, #f8fbfb
- Shades (toward black): #6db09d, #59a690, #509582, #468170, #3b6d5f, #305a4e, #25463d, #1d352e, #12211d, #070d0c

## Harmonies

- Complementary: #bb8192
- Analogous: #81bb8e, #81afbb
- Triadic: #ab81bb, #bbab81
- Split-complementary: #bb81af, #bb8e81
- Tetradic: #8e81bb, #bb8192, #afbb81

## Colors that go with #81bbab

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 #81bbab: softer than #000 and cool enough to feel like part of the same palette. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Harbour (https://brandsweets.com/palettes/cool#harbour), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 5 real palettes, including Canva's brand system and Uber's brand system put Blue beside #81bbab, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Uber (https://brandsweets.com/colors/brands/uber-com), Unity (https://brandsweets.com/colors/brands/unity-com), Lexus (https://brandsweets.com/colors/brands/lexus-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Garden Wedding and Rain Garden put Blush Pink beside #81bbab, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Estate (https://brandsweets.com/palettes/luxury#estate), Nursery (https://brandsweets.com/palettes/light#nursery). — https://brandsweets.com/colors/blush-pink
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Forest Floor and Midnight Luxe put Champagne beside #81bbab, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Bramble (https://brandsweets.com/palettes/muted#bramble), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #81bbab: 6 real palettes, including Clean Beauty and Riverbed, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #81bbab in 5 real palettes, including Tiffany & Co.'s brand system and Riot Games's brand system, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Cartier (https://brandsweets.com/colors/brands/cartier-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #81bbab in 4 real palettes, including Forest Floor and Undergrowth, as the supporting colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/darkolivegreen
- **Plum** #dda0dd [harmony, pool: split] — Plum is a split-complement of #81bbab: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Netlify (https://brandsweets.com/colors/brands/netlify-com), Blossom (https://brandsweets.com/palettes/light#blossom), Mercury (https://brandsweets.com/colors/brands/mercury-com). — https://brandsweets.com/colors/plum

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

- On white (#ffffff): 2.18:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #468170 (4.53:1); AA: background → #424242 (4.61:1); AAA: text → #346054 (7.13:1); AAA: background → #242424 (7.12:1)
- On black (#000000): 9.63:1 — 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/81bbab-a2beb9-d459b7-1f2b2d-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: "#81bbab" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
