# #81972b

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

## Values

- Hex: `#81972b`
- RGB: rgb(129, 151, 43)
- HSL: hsl(72, 56%, 38%)
- OKLCH: oklch(0.638 0.133 120.4)
- Relative luminance: 0.2697
- Nearest named color: Densetsu Green (#889911, Δ 1.668) — https://brandsweets.com/colors/densetsu-green
- Moods: neutral
- Page: https://brandsweets.com/colors/81972b

## Tints & shades

- Tints (toward white): #96af31, #aac738, #b4ce50, #bfd468, #c9db80, #d3e298, #dde9af, #e7efc7, #f1f6df, #fcfdf7
- Shades (toward black): #778b27, #6a7b23, #5f6f1f, #525f1b, #485418, #3d4814, #303810, #252c0c, #181c08, #0e1004

## Harmonies

- Complementary: #402b97
- Analogous: #97772b, #4b972b
- Triadic: #2b8197, #972b81
- Split-complementary: #2b4b97, #772b97
- Tetradic: #2b9777, #402b97, #972b4b

## Colors that go with #81972b

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 #81972b: 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), Puma (https://brandsweets.com/colors/brands/puma-com), Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Medium Purple** #9370db [harmony, pool: complementary] — Medium Purple sits directly opposite #81972b 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). — https://brandsweets.com/colors/mediumpurple
- **Blue** #0000ff [pool] — 7 real palettes, including Rolex's brand system and Spotify's brand system put Blue beside #81972b, as the accent. Seen in: Rolex (https://brandsweets.com/colors/brands/rolex-com), Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), Lexus (https://brandsweets.com/colors/brands/lexus-com). — https://brandsweets.com/colors/blue
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #81972b in 5 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), Cider (https://brandsweets.com/palettes/warm#cider), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #81972b: 5 real palettes, including Guinness's brand system and Intel's brand system, as the accent. Seen in: Guinness (https://brandsweets.com/colors/brands/guinness-com), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #81972b in 6 real palettes, including Console Light and Telehealth, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Guinness (https://brandsweets.com/colors/brands/guinness-com), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/royalblue
- **Slate Gray** #708090 [pool] — 5 real palettes, including Greige and Mushroom put Slate Gray beside #81972b, as the lead colour. Seen in: Greige (https://brandsweets.com/palettes/neutral#greige), Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Atelier (https://brandsweets.com/palettes/elegant#atelier), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark). — https://brandsweets.com/colors/slategray
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #81972b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Olympics (https://brandsweets.com/colors/brands/olympics-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com). — https://brandsweets.com/colors/steelblue

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

- On white (#ffffff): 3.28:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #6a7b23 (4.7:1); AA: background → #262626 (4.61:1); AAA: text → #4e5b1a (7.41:1)
- On black (#000000): 6.39:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #889f2d (7.04:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/81972b-b5bea2-4e77df-242d1f-f1efe9?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: "#81972b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.