# #a6b1b9

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

## Values

- Hex: `#a6b1b9`
- RGB: rgb(166, 177, 185)
- HSL: hsl(205, 12%, 69%)
- OKLCH: oklch(0.754 0.017 239.2)
- Relative luminance: 0.4305
- Nearest named color: Casper (#aab5b8, Δ 1.324) — https://brandsweets.com/colors/casper
- Moods: cool, muted
- Page: https://brandsweets.com/colors/a6b1b9

## Tints & shades

- Tints (toward white): #afb9c0, #b8c1c7, #c0c8ce, #c9d0d4, #d1d7db, #d7dce0, #e0e4e6, #e8ebed, #f1f3f4, #f9fafb
- Shades (toward black): #95a3ac, #81919c, #70828f, #60707b, #53606a, #434e56, #363e45, #262c31, #191d1f, #090a0b

## Harmonies

- Complementary: #b9aea6
- Analogous: #a6b9b8, #a6a8b9
- Triadic: #b9a6b2, #b2b9a6
- Split-complementary: #b9a6a8, #b9b8a6
- Tetradic: #b8a6b9, #b9aea6, #a8b9a6

## Colors that go with #a6b1b9

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 text near-black that reads cleanly against #a6b1b9 without the hard edge of pure #000. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Mercury (https://brandsweets.com/colors/brands/mercury-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Uber's brand system and Lexus's brand system put Blue beside #a6b1b9, as the accent. Seen in: Uber (https://brandsweets.com/colors/brands/uber-com), Lexus (https://brandsweets.com/colors/brands/lexus-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/blue
- **Burlywood** #deb887 [pool] — Burlywood is paired with #a6b1b9 in 4 real palettes, including Chalkboard and Polaroid, as the lead colour. Seen in: Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Polaroid (https://brandsweets.com/palettes/light#polaroid), Coastal (https://brandsweets.com/palettes/cool#coastal), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Midnight Luxe and Bramble put Champagne beside #a6b1b9, as that palette's text colour. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Bramble (https://brandsweets.com/palettes/muted#bramble), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #a6b1b9: 6 real palettes, including Clean Beauty and Riverbed, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #a6b1b9 in 6 real palettes, including Cartier's brand system and Casper Sleep's brand system, as the accent. Seen in: Cartier (https://brandsweets.com/colors/brands/cartier-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #a6b1b9: 4 real palettes, including Patreon's brand system and Opensea's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io), Spline (https://brandsweets.com/colors/brands/spline-design), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey). — https://brandsweets.com/colors/dodgerblue
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #a6b1b9 in 4 real palettes, including Pine & Birch and Desert Road, as the lead colour. Seen in: Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Canopy (https://brandsweets.com/palettes/cool#canopy), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/hunter-green

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

- On white (#ffffff): 2.19:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #677883 (4.57:1); AA: background → #424242 (4.6:1); AAA: text → #4c5861 (7.3:1); AAA: background → #242424 (7.1:1)
- On black (#000000): 9.61:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/a6b1b9-9cafc4-df4e58-1f212d-e9f1f0?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: "#a6b1b9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.