# #666f01

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

## Values

- Hex: `#666f01`
- RGB: rgb(102, 111, 1)
- HSL: hsl(65, 98%, 22%)
- OKLCH: oklch(0.516 0.117 115.2)
- Relative luminance: 0.142
- Nearest named color: darkolivegreen (#556b2f, Δ 3.941) — https://brandsweets.com/colors/darkolivegreen
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/666f01

## Tints & shades

- Tints (toward white): #8b9702, #abbb02, #d0e302, #e9fd0d, #ecfd35, #f0fd5d, #f3fe81, #f7fea9, #fafecd, #fefff5
- Shades (toward black): #5d6501, #535b01, #4f5601, #454c01, #3c4201, #333801, #2a2d00, #252800, #1c1e00, #131400

## Harmonies

- Complementary: #0a016f
- Analogous: #6f4101, #2f6f01
- Triadic: #01666f, #6f0166
- Split-complementary: #012f6f, #41016f
- Tetradic: #016f41, #0a016f, #6f012f

## Colors that go with #666f01

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 #666f01: 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
- **Blue** #0000ff [pool] — 4 real palettes, including Warp's brand system and Kia's brand system put Blue beside #666f01, as the supporting colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Kia (https://brandsweets.com/colors/brands/kia-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Forest Floor and Woodsmoke put Champagne beside #666f01, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Denim** #1560bd [pool] — Designers have shipped Denim with #666f01: 5 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
- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #666f01: 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), Xbox (https://brandsweets.com/colors/brands/xbox-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/royalblue
- **Rust** #b7410e [pool] — Rust shows up next to #666f01 in 4 real palettes, including Harvest and Magazine Ochre, as the lead colour. Seen in: Harvest (https://brandsweets.com/palettes/warm#harvest), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Aesop (https://brandsweets.com/colors/brands/aesop-com), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/rust
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #666f01: 6 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), Homestead (https://brandsweets.com/palettes/warm#homestead), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/sage-green
- **Taupe** #483c32 [pool] — Taupe is paired with #666f01 in 18 real palettes, including Olive Grove and Cider, as that palette's text colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Cider (https://brandsweets.com/palettes/warm#cider), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Acer (https://brandsweets.com/colors/brands/acer-com). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 5.47:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #535b01 (7.33:1)
- On black (#000000): 3.84:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #747e01 (4.73:1); AA: background → #ebebeb (4.59:1); AAA: text → #909d02 (7.01:1)

## 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/666f01-b8bea2-4e88df-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: "#666f01" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.