# #51553a

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

## Values

- Hex: `#51553a`
- RGB: rgb(81, 85, 58)
- HSL: hsl(69, 19%, 28%)
- OKLCH: oklch(0.438 0.042 115)
- Relative luminance: 0.0855
- Nearest named color: Broccoli Green (#4b5338, Δ 1.206) — https://brandsweets.com/colors/broccoli-green
- Moods: muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/51553a

## Tints & shades

- Tints (toward white): #656a48, #797f57, #8e9565, #9ea479, #adb38f, #bdc1a4, #cccfb9, #dcdece, #ebece4, #fbfbf9
- Shades (toward black): #4b4f36, #424630, #3d402b, #343725, #2e3121, #282a1d, #202117, #1a1b13, #11120c, #0c0c08

## Harmonies

- Complementary: #3e3a55
- Analogous: #554b3a, #43553a
- Triadic: #3a5155, #553a51
- Split-complementary: #3a4355, #4b3a55
- Tetradic: #3a554b, #3e3a55, #553a43

## Colors that go with #51553a

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Blue** #0000ff [pool] — 4 real palettes, including Warp's brand system and Rolex's brand system put Blue beside #51553a, 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), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #51553a: 5 real palettes, including Desert Road and Clay & Linen, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Bakery (https://brandsweets.com/palettes/warm#bakery), Notion (https://brandsweets.com/colors/brands/notion). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #51553a in 4 real palettes, including Codecademy's brand system and MAC Cosmetics's brand system, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #51553a: 4 real palettes, including HP's brand system and Hinge's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/denim
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #51553a in 4 real palettes, including Neon's brand system and Tumblr's brand system, as the accent. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com), Clerk (https://brandsweets.com/colors/brands/clerk-com). — https://brandsweets.com/colors/orangered
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #51553a in 6 real palettes, including Console Light and Subaru's brand system, as the lead colour. 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), Stripe (https://brandsweets.com/colors/brands/stripe). — https://brandsweets.com/colors/royalblue
- **Slate Blue** #6a5acd [harmony: complementary] — Slate Blue sits directly opposite #51553a 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/slateblue
- **Cream** #fffdd0 [role] — Cream is the surface #51553a wants: a warm off-white that shares its undertone, so #51553a reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 7.75:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.71:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #747953 (4.6:1); AA: background → #c7c7c7 (4.58:1); AAA: text → #939a6a (7.07:1); AAA: background → #f5f5f5 (7.11:1)

## 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/51553a-b7bea2-4e7edf-252d1f-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: "#51553a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.