# #837a21

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

## Values

- Hex: `#837a21`
- RGB: rgb(131, 122, 33)
- HSL: hsl(54, 60%, 32%)
- OKLCH: oklch(0.571 0.107 103.4)
- Relative luminance: 0.1885
- Nearest named color: Olive Green (#808000, Δ 2.536) — https://brandsweets.com/colors/olive
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/837a21

## Tints & shades

- Tints (toward white): #9f9328, #b8aa2e, #cebf3b, #d4c754, #dbd170, #e2da8d, #e9e2a5, #f0ebc2, #f6f3da, #fdfcf7
- Shades (toward black): #766d1e, #6a621b, #625b18, #564f15, #494412, #3d390f, #312d0c, #29260a, #1d1a07, #100f04

## Harmonies

- Complementary: #212a83
- Analogous: #834821, #5b8321
- Triadic: #218379, #792183
- Split-complementary: #215b83, #482183
- Tetradic: #218348, #212a83, #83215b

## Colors that go with #837a21

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 #837a21: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Puma (https://brandsweets.com/colors/brands/puma-com), Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Rolex's brand system and Kia's brand system put Blue beside #837a21, as the accent. Seen in: Rolex (https://brandsweets.com/colors/brands/rolex-com), Kia (https://brandsweets.com/colors/brands/kia-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Instacart (https://brandsweets.com/colors/brands/instacart-com). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Bramble and Forest Floor put Champagne beside #837a21, as that palette's text colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Denim** #1560bd [pool] — Designers have shipped Denim with #837a21: 6 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
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #837a21 in 4 real palettes, including Rolex's brand system and Bookshop, as the lead colour. Seen in: Rolex (https://brandsweets.com/colors/brands/rolex-com), Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Subaru (https://brandsweets.com/colors/brands/subaru-com), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/hunter-green
- **Rust** #b7410e [pool] — Rust shows up next to #837a21 in 4 real palettes, including Harvest and Aesop's brand system, as the lead colour. Seen in: Harvest (https://brandsweets.com/palettes/warm#harvest), Aesop (https://brandsweets.com/colors/brands/aesop-com), Gallery (https://brandsweets.com/palettes/editorial#gallery), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/rust
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #837a21: 5 real palettes, including Olive Grove and Forest Floor, as the supporting colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Homestead (https://brandsweets.com/palettes/warm#homestead). — https://brandsweets.com/colors/sage-green
- **Medium Slate Blue** #7b68ee [harmony: complementary] — Medium Slate Blue sits directly opposite #837a21 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/mediumslateblue

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

- On white (#ffffff): 4.4:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #7e7520 (4.72:1); AA: background → #080808 (4.55:1); AAA: text → #5e5717 (7.36:1)
- On black (#000000): 4.77:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a39729 (7.02:1)

## 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/837a21-bebea2-4ea2df-292d1f-f1ede9?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: "#837a21" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
