# #81a366

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

## Values

- Hex: `#81a366`
- RGB: rgb(129, 163, 102)
- HSL: hsl(93, 25%, 52%)
- OKLCH: oklch(0.675 0.093 132.2)
- Relative luminance: 0.3182
- Nearest named color: Buckingham Gardens (#89a068, Δ 1.392) — https://brandsweets.com/colors/buckingham-gardens
- Moods: muted
- Page: https://brandsweets.com/colors/81a366

## Tints & shades

- Tints (toward white): #8fad76, #99b483, #a6be93, #b1c69f, #becfaf, #cbd9bf, #d5e0cc, #e2eadc, #edf2e9, #fafbf9
- Shades (toward black): #75965a, #688650, #5e7949, #52693f, #465936, #39492c, #2d3922, #232d1b, #161d11, #0a0d08

## Harmonies

- Complementary: #8866a3
- Analogous: #a0a366, #66a369
- Triadic: #6682a3, #a36682
- Split-complementary: #6966a3, #a366a0
- Tetradic: #66a0a3, #8866a3, #a36966

## Colors that go with #81a366

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 #81a366: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), N26 (https://brandsweets.com/colors/brands/n26-com), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Puma (https://brandsweets.com/colors/brands/puma-com). — https://brandsweets.com/colors/charcoal
- **Medium Purple** #9370db [harmony, pool: complementary] — Medium Purple sits directly opposite #81a366 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/mediumpurple
- **Blue** #0000ff [pool] — 6 real palettes, including Unity's brand system and Lexus's brand system put Blue beside #81a366, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Lexus (https://brandsweets.com/colors/brands/lexus-com), Spotify (https://brandsweets.com/colors/brands/spotify), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Burlywood** #deb887 [pool] — Burlywood is paired with #81a366 in 5 real palettes, including Kiln and Polaroid, as the accent. Seen in: Kiln (https://brandsweets.com/palettes/dark#kiln), Polaroid (https://brandsweets.com/palettes/light#polaroid), 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 #81a366, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #81a366: 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), Bakery (https://brandsweets.com/palettes/warm#bakery), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #81a366: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify), Arctic (https://brandsweets.com/palettes/clean#arctic). — https://brandsweets.com/colors/cornflowerblue
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #81a366 in 6 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), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/darkolivegreen

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

- On white (#ffffff): 2.85:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #617c4b (4.67:1); AA: background → #303030 (4.63:1); AAA: text → #485c37 (7.34:1); AAA: background → #080808 (7.02:1)
- On black (#000000): 7.36:1 — 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/81a366-abbea2-584edf-202d1f-f0f1e9?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: "#81a366" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.