# #51571e

A color — dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#51571e`
- RGB: rgb(81, 87, 30)
- HSL: hsl(66, 49%, 23%)
- OKLCH: oklch(0.439 0.079 114.8)
- Relative luminance: 0.0866
- Nearest named color: Ayahuasca Vine (#665500, Δ 3.498) — https://brandsweets.com/colors/ayahuasca-vine
- Moods: dark, luxury, bold
- Page: https://brandsweets.com/colors/51571e

## Tints & shades

- Tints (toward white): #6e7628, #879031, #a3af3c, #b6c24c, #c3cc6b, #cdd585, #dae0a4, #e5e9be, #f1f3dd, #fcfcf7
- Shades (toward black): #4b501b, #434819, #3c4116, #353914, #323512, #2b2e10, #23260d, #1c1e0a, #151708, #0e0f05

## Harmonies

- Complementary: #241e57
- Analogous: #57401e, #35571e
- Triadic: #1e5257, #571e52
- Split-complementary: #1e3557, #401e57
- Tetradic: #1e5740, #241e57, #571e35

## Colors that go with #51571e

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 #51571e: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Pampers (https://brandsweets.com/colors/brands/pampers-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #51571e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Subaru (https://brandsweets.com/colors/brands/subaru-com), GitHub (https://brandsweets.com/colors/brands/github). — https://brandsweets.com/colors/royalblue
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #51571e: 7 real palettes, including Pine & Birch and Olive Grove, as the supporting colour. Seen in: Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/sage-green
- **Blue Violet** #8a2be2 [harmony: complementary] — Blue Violet sits directly opposite #51571e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/blueviolet
- **Blue** #0000ff [pool] — 3 real palettes, including Warp's brand system and Rolex's brand system put Blue beside #51571e, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Rolex (https://brandsweets.com/colors/brands/rolex-com), Jeep (https://brandsweets.com/colors/brands/jeep-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 3 real palettes, including Nursery and Blush put Blush Pink beside #51571e, as the lead colour. Seen in: Nursery (https://brandsweets.com/palettes/light#nursery), Blush (https://brandsweets.com/palettes/light#blush), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/blush-pink
- **Champagne** #f7e7ce [pool] — 3 real palettes, including BrandSweets's brand system and Darkroom put Champagne beside #51571e. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #51571e: 3 real palettes, including Clay & Linen and Desert Road, as the lead colour. Seen in: Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Bakery (https://brandsweets.com/palettes/warm#bakery). — https://brandsweets.com/colors/copper

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

- On white (#ffffff): 7.69:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.73:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #727a2a (4.53:1); AA: background → #c7c7c7 (4.55:1); AAA: text → #929c35 (7.03:1); AAA: background → #f5f5f5 (7.05:1)

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/51571e-b8bea2-4e86df-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: "#51571e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.