# #b1b4b9

A color — neutral, light, minimal, clean. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#b1b4b9`
- RGB: rgb(177, 180, 185)
- HSL: hsl(217, 5%, 71%)
- OKLCH: oklch(0.769 0.008 260.7)
- Relative luminance: 0.4549
- Nearest named color: Casper (#aab5b8, Δ 1) — https://brandsweets.com/colors/casper
- Moods: neutral, light, minimal, clean
- Page: https://brandsweets.com/colors/b1b4b9

## Tints & shades

- Tints (toward white): #b9bcc0, #bfc1c5, #c7c9cc, #cfd1d3, #d7d8db, #dcdde0, #e4e5e7, #ecedee, #f2f2f3, #fafafa
- Shades (toward black): #9fa2a8, #8f9399, #7c8188, #6b6f76, #5c6066, #4b4e53, #3a3c40, #292b2e, #1b1c1d, #0a0a0b

## Harmonies

- Complementary: #b9b6b1
- Analogous: #b1b8b9, #b2b1b9
- Triadic: #b9b1b4, #b4b9b1
- Split-complementary: #b9b2b1, #b8b9b1
- Tetradic: #b9b1b8, #b9b6b1, #b1b9b2

## Colors that go with #b1b4b9

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 #b1b4b9 without the hard edge of pure #000. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Mercury (https://brandsweets.com/colors/brands/mercury-com), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Midnight Luxe and Bramble put Champagne beside #b1b4b9, 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), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #b1b4b9: 6 real palettes, including Clean Beauty and Desert Road, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #b1b4b9 in 5 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), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #b1b4b9 in 4 real palettes, including Oatmeal and Olive Grove, as the lead colour. Seen in: Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b1b4b9: 5 real palettes, including Open House and Dusk, as the lead colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Fitbit (https://brandsweets.com/colors/brands/fitbit-com). — https://brandsweets.com/colors/denim
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #b1b4b9 in 4 real palettes, including Desert Road and Pine & Birch, as the accent. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Canopy (https://brandsweets.com/palettes/cool#canopy), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/hunter-green
- **Midnight Blue** #191970 [pool] — 6 real palettes, including First Snow and Lavender Milk put Midnight Blue beside #b1b4b9, as the text colour against it. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk), Open House (https://brandsweets.com/palettes/clean#open-house), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 2.08:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #72767e (4.56:1); AA: background → #454545 (4.61:1); AAA: text → #55585e (7.13:1); AAA: background → #262626 (7.28:1)
- On black (#000000): 10.1:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- neutral: https://brandsweets.com/fonts/mood/neutral
- minimal: https://brandsweets.com/fonts/mood/minimal
- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b1b4b9-a2beb0-c859d4-1f2d2b-eaf1e9?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: "#b1b4b9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.