# #81a37b

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

## Values

- Hex: `#81a37b`
- RGB: rgb(129, 163, 123)
- HSL: hsl(111, 18%, 56%)
- OKLCH: oklch(0.679 0.069 140.9)
- Relative luminance: 0.3229
- Nearest named color: Basswood Green (#839e83, Δ 2.135) — https://brandsweets.com/colors/basswood-green
- Moods: muted
- Page: https://brandsweets.com/colors/81a37b

## Tints & shades

- Tints (toward white): #8cab87, #98b493, #a6bea2, #b1c7ae, #bdcfba, #c8d7c6, #d4e0d2, #e2eae1, #eef2ed, #f9fbf9
- Shades (toward black): #72996c, #678a60, #597854, #4e6949, #435a3f, #384b34, #2d3c2a, #1f2a1d, #141b13, #090c08

## Harmonies

- Complementary: #9d7ba3
- Analogous: #95a37b, #7ba389
- Triadic: #7b81a3, #a37b81
- Split-complementary: #897ba3, #a37b95
- Tetradic: #7b95a3, #9d7ba3, #a3897b

## Colors that go with #81a37b

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 #81a37b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), N26 (https://brandsweets.com/colors/brands/n26-com), Puma (https://brandsweets.com/colors/brands/puma-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 5 real palettes, including Lexus's brand system and Unity's brand system put Blue beside #81a37b, as the supporting colour. Seen in: Lexus (https://brandsweets.com/colors/brands/lexus-com), Unity (https://brandsweets.com/colors/brands/unity-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Burlywood** #deb887 [pool] — Burlywood is paired with #81a37b in 5 real palettes, including Polaroid and Kiln, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Kiln (https://brandsweets.com/palettes/dark#kiln), Coastal (https://brandsweets.com/palettes/cool#coastal), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/burlywood
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Forest Floor and Darkroom put Champagne beside #81a37b, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Bramble (https://brandsweets.com/palettes/muted#bramble), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #81a37b: 8 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), Atelier (https://brandsweets.com/palettes/elegant#atelier), Bakery (https://brandsweets.com/palettes/warm#bakery). — https://brandsweets.com/colors/copper
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #81a37b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Arctic (https://brandsweets.com/palettes/clean#arctic), Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #81a37b in 6 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #81a37b: 4 real palettes, including Guinness's brand system and Open House, as the accent. Seen in: Guinness (https://brandsweets.com/colors/brands/guinness-com), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 2.82:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5e7e58 (4.56:1); AA: background → #303030 (4.69:1); AAA: text → #455d41 (7.25:1); AAA: background → #0a0a0a (7.03:1)
- On black (#000000): 7.46:1 — 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/81a37b-a3bea2-834edf-1f2d23-eef1e9?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: "#81a37b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.