# #a1801b

A color — warm, vivid, playful, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#a1801b`
- RGB: rgb(161, 128, 27)
- HSL: hsl(45, 71%, 37%)
- OKLCH: oklch(0.615 0.117 88.9)
- Relative luminance: 0.2309
- Nearest named color: Captain Kirk (#9b870c, Δ 2.342) — https://brandsweets.com/colors/captain-kirk
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/a1801b

## Tints & shades

- Tints (toward white): #bc9520, #d6a924, #deb53b, #e2bf55, #e7ca73, #ecd48e, #f0dea8, #f5e8c2, #f9f2dc, #fefcf6
- Shades (toward black): #947519, #836816, #765d14, #695312, #5c4910, #4a3b0d, #3d300a, #302608, #1f1805, #110e03

## Harmonies

- Complementary: #1b3da1
- Analogous: #a13d1b, #80a11b
- Triadic: #1ba180, #801ba1
- Split-complementary: #1b80a1, #3d1ba1
- Tetradic: #1ba13d, #1b3da1, #a11b80

## Colors that go with #a1801b

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

- **Royal Blue** #4169e1 [harmony, pool: complementary] — Royal Blue sits directly opposite #a1801b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Guinness (https://brandsweets.com/colors/brands/guinness-com), Chevrolet (https://brandsweets.com/colors/brands/chevrolet-com), Wayfair (https://brandsweets.com/colors/brands/wayfair-com). — https://brandsweets.com/colors/royalblue
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Bramble and Coffee Bar put Champagne beside #a1801b, as that palette's text colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/champagne
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #a1801b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Puma (https://brandsweets.com/colors/brands/puma-com), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #a1801b: 4 real palettes, including Opensea's brand system and Notion's brand system, as the lead colour. Seen in: Opensea (https://brandsweets.com/colors/brands/opensea-io), Notion (https://brandsweets.com/colors/brands/notion), Spline (https://brandsweets.com/colors/brands/spline-design), Liquid Death (https://brandsweets.com/colors/brands/liquiddeath-com). — https://brandsweets.com/colors/dodgerblue
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #a1801b in 4 real palettes, including Rolex's brand system and Desert Road, as the lead colour. Seen in: Rolex (https://brandsweets.com/colors/brands/rolex-com), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/hunter-green
- **Saddle Brown** #8b4513 [pool] — Designers have shipped Saddle Brown with #a1801b: 5 real palettes, including Cider and Bookshop, as the lead colour. Seen in: Cider (https://brandsweets.com/palettes/warm#cider), Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Bakery (https://brandsweets.com/palettes/warm#bakery), Homestead (https://brandsweets.com/palettes/warm#homestead). — https://brandsweets.com/colors/saddlebrown
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #a1801b: 4 real palettes, including Riverbed and Homestead, as the supporting colour. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Homestead (https://brandsweets.com/palettes/warm#homestead), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/sage-green
- **Slate Gray** #708090 [pool] — 5 real palettes, including Atelier and Riverbed put Slate Gray beside #a1801b, as the supporting colour. Seen in: Atelier (https://brandsweets.com/palettes/elegant#atelier), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Greige (https://brandsweets.com/palettes/neutral#greige), Newsprint (https://brandsweets.com/palettes/editorial#newsprint). — https://brandsweets.com/colors/slategray

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

- On white (#ffffff): 3.74:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #907218 (4.56:1); AA: background → #1c1c1c (4.56:1); AAA: text → #6d5612 (7.02:1)
- On black (#000000): 5.62:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b7911f (7.08:1)

## Brands using this color

- **Rolex** — secondary #a37e2c (Δ 1.427) — https://brandsweets.com/colors/brands/rolex-com

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- 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/a1801b-c4be9c-62afcb-2b2d1f-f1ebe9?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: "#a1801b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
