# #81900e

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

## Values

- Hex: `#81900e`
- RGB: rgb(129, 144, 14)
- HSL: hsl(67, 82%, 31%)
- OKLCH: oklch(0.62 0.139 117)
- Relative luminance: 0.2465
- Nearest named color: Densetsu Green (#889911, Δ 2.797) — https://brandsweets.com/colors/densetsu-green
- Moods: vivid
- Page: https://brandsweets.com/colors/81900e

## Tints & shades

- Tints (toward white): #9eb011, #b7cc14, #d1e91c, #d7ec3c, #deef5d, #e4f278, #eaf599, #f1f8b9, #f6fbd5, #fdfef6
- Shades (toward black): #74820d, #6c790c, #606b0b, #535d09, #4b5408, #3e4607, #323806, #252a04, #1d2003, #111302

## Harmonies

- Complementary: #1d0e90
- Analogous: #905e0e, #40900e
- Triadic: #0e8190, #900e81
- Split-complementary: #0e4090, #5e0e90
- Tetradic: #0e905e, #1d0e90, #900e40

## Colors that go with #81900e

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 #81900e: 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
- **Crimson** #dc143c [pool] — Crimson is paired with #81900e in 4 real palettes, including Five Guys's brand system and Netflix's brand system, as the supporting colour. Seen in: Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #81900e in 5 real palettes, including Cider and Undergrowth, as the accent. Seen in: Cider (https://brandsweets.com/palettes/warm#cider), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #81900e: 5 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour. Seen in: 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), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/denim
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #81900e in 5 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), Subaru (https://brandsweets.com/colors/brands/subaru-com), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/royalblue
- **Slate Gray** #708090 [pool] — 4 real palettes, including Mushroom and Atelier put Slate Gray beside #81900e, as the lead colour. Seen in: Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Atelier (https://brandsweets.com/palettes/elegant#atelier), Greige (https://brandsweets.com/palettes/neutral#greige), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/slategray
- **Steel Blue** #4682b4 [harmony, pool: triadic] — Steel Blue completes a triad with #81900e — 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), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/steelblue
- **Taupe** #483c32 [pool] — Taupe is paired with #81900e in 13 real palettes, including Clean Beauty and Cider, as that palette's text colour. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Cider (https://brandsweets.com/palettes/warm#cider), Acer (https://brandsweets.com/colors/brands/acer-com), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 3.54:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #707d0c (4.54:1); AA: background → #212121 (4.55:1); AAA: text → #535d09 (7.15:1)
- On black (#000000): 5.93:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8d9e10 (7.03:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/81900e-b8bea2-4e83df-262d1f-f1eee9?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: "#81900e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.