# #666f3e

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

## Values

- Hex: `#666f3e`
- RGB: rgb(102, 111, 62)
- HSL: hsl(71, 28%, 34%)
- OKLCH: oklch(0.522 0.071 117.5)
- Relative luminance: 0.1454
- Nearest named color: Bancha (#666a47, Δ 2.224) — https://brandsweets.com/colors/bancha
- Moods: muted
- Page: https://brandsweets.com/colors/666f3e

## Tints & shades

- Tints (toward white): #788349, #8d9956, #9ca966, #abb67c, #b8c190, #c4cca4, #d3d8ba, #e0e3ce, #eef0e5, #fbfbf8
- Shades (toward black): #5d6539, #545b33, #4b522e, #424828, #393e23, #30341d, #272a18, #1e2112, #15170d, #0c0d07

## Harmonies

- Complementary: #473e6f
- Analogous: #6f603e, #4e6f3e
- Triadic: #3e666f, #6f3e66
- Split-complementary: #3e4e6f, #603e6f
- Tetradic: #3e6f60, #473e6f, #6f3e4e

## Colors that go with #666f3e

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 #666f3e: 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), Canopy (https://brandsweets.com/palettes/cool#canopy), Stanley (https://brandsweets.com/colors/brands/stanley1913-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #666f3e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), GitHub (https://brandsweets.com/colors/brands/github), Xbox (https://brandsweets.com/colors/brands/xbox-com). — https://brandsweets.com/colors/royalblue
- **Slate Blue** #6a5acd [harmony, pool: complementary] — Slate Blue sits directly opposite #666f3e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas). — https://brandsweets.com/colors/slateblue
- **Champagne** #f7e7ce [pool] — 6 real palettes, including Forest Floor and BrandSweets's brand system put Champagne beside #666f3e, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #666f3e: 6 real palettes, including Clay & Linen and Riverbed, as the lead colour. Seen in: Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Wellness (https://brandsweets.com/palettes/warm#wellness), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #666f3e in 5 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), Coinbase (https://brandsweets.com/colors/brands/coinbase), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #666f3e: 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
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #666f3e: 4 real palettes, including Newsprint and Fireside, as the lead colour. Seen in: Newsprint (https://brandsweets.com/palettes/editorial#newsprint), Fireside (https://brandsweets.com/palettes/dark#fireside), Chipotle (https://brandsweets.com/colors/brands/chipotle-com), Trader Joe's (https://brandsweets.com/colors/brands/traderjoes-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 5.37:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #545b33 (7.19:1)
- On black (#000000): 3.91:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #727c46 (4.69:1); AA: background → #ebebeb (4.51:1); AAA: text → #909d58 (7.15:1)

## Curated palettes containing it

- **Olive Grove** (muted, warm, elegant) — #6b6b2e, #a8a670, #a1421f, #f6f3ea, #2c2a22 — Olive and straw with a rust accent — Mediterranean and unhurried; good for food, wine and hospitality. — tool: https://brandsweets.com/palettes/new/6b6b2e-a8a670-a1421f-f6f3ea-2c2a22 — collection: https://brandsweets.com/palettes/muted
- **Cider** (autumn, warm, elegant) — #8b3a1f, #b8862b, #5f6b3a, #faf3e6, #2e1f16 — Rust, honey and a moss green on cream — the orchard palette; the green keeps it from being all one temperature. — tool: https://brandsweets.com/palettes/new/8b3a1f-b8862b-5f6b3a-faf3e6-2e1f16 — collection: https://brandsweets.com/palettes/autumn

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/666f3e-b6bea2-4e7adf-252d1f-f1efe9?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: "#666f3e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.