# #b181b6

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

## Values

- Hex: `#b181b6`
- RGB: rgb(177, 129, 182)
- HSL: hsl(294, 27%, 61%)
- OKLCH: oklch(0.668 0.094 323.3)
- Relative luminance: 0.2843
- Nearest named color: Heart Potion (#a97fb1, Δ 1.6) — https://brandsweets.com/colors/heart-potion
- Moods: cool, muted
- Page: https://brandsweets.com/colors/b181b6

## Tints & shades

- Tints (toward white): #b98ebe, #bf97c3, #c7a4cb, #cfb1d2, #d7beda, #ddc8df, #e5d5e7, #ede2ee, #f3ecf4, #fbf9fb
- Shades (toward black): #a56dab, #9b5da2, #88528e, #76477b, #663d6b, #543257, #412744, #2f1c31, #1f1320, #0c070d

## Harmonies

- Complementary: #86b681
- Analogous: #9681b6, #b681a1
- Triadic: #b6b181, #81b6b1
- Split-complementary: #a1b681, #81b696
- Tetradic: #b69681, #86b681, #81a1b6

## Colors that go with #b181b6

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 for #b181b6: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Medium Sea Green** #3cb371 [harmony, pool: complementary] — Medium Sea Green sits directly opposite #b181b6 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #b181b6 in 4 real palettes, including Ledger Dark and Obsidian's brand system, as the accent. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Scale AI (https://brandsweets.com/colors/brands/scale-com), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/emerald-green
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Open House and Plaid's brand system put Midnight Blue beside #b181b6, as the text colour against it. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Plaid (https://brandsweets.com/colors/brands/plaid-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #b181b6: 4 real palettes, including Ink Wash and Crypto.com's brand system, as the lead colour. Seen in: Ink Wash (https://brandsweets.com/palettes/dark#ink-wash), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/powderblue
- **Taupe** #483c32 [pool] — Taupe is paired with #b181b6 in 10 real palettes, including Dusk and Obsidian's brand system, as the text colour against it. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Stone (https://brandsweets.com/palettes/neutral#stone), Typewriter (https://brandsweets.com/palettes/editorial#typewriter). — https://brandsweets.com/colors/taupe
- **Copper** #b87333 [pool] — Designers have shipped Copper with #b181b6: 3 real palettes, including Dusk and Atelier, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Atelier (https://brandsweets.com/palettes/elegant#atelier), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b181b6: 3 real palettes, including Dusk and Open House, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 3.14:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #9d60a4 (4.52:1); AA: background → #2b2b2b (4.51:1); AAA: text → #76477b (7.1:1)
- On black (#000000): 6.69:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b587ba (7.14:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b181b6-c19fc0-9fcb62-2d1f29-ede9f1?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: "#b181b6" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.