# #b91bbb

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#b91bbb`
- RGB: rgb(185, 27, 187)
- HSL: hsl(299, 75%, 42%)
- OKLCH: oklch(0.56 0.244 327.6)
- Relative luminance: 0.1469
- Nearest named color: Amora Purple (#bb22aa, Δ 2.893) — https://brandsweets.com/colors/amora-purple
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/b91bbb

## Tints & shades

- Tints (toward white): #d31fd6, #de2de1, #e248e5, #e65ee8, #ea79ec, #ee94f0, #f2aaf3, #f6c5f7, #f9dbfa, #fef6fe
- Shades (toward black): #a718aa, #961698, #88148a, #771178, #650f67, #540c55, #420a43, #350836, #230524, #120312

## Harmonies

- Complementary: #1dbb1b
- Analogous: #681bbb, #bb1b6e
- Triadic: #bbb91b, #1bbbb9
- Split-complementary: #6ebb1b, #1bbb68
- Tetradic: #bb681b, #1dbb1b, #1b6ebb

## Colors that go with #b91bbb

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #b91bbb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/forestgreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #b91bbb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b91bbb: 3 real palettes, including Hasbro's brand system and Peacock, as the supporting colour. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Linkedin (https://brandsweets.com/colors/brands/linkedin-com). — https://brandsweets.com/colors/denim
- **Dark Cyan** #008b8b [harmony, pool: triadic] — Dark Cyan completes a triad with #b91bbb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/darkcyan
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #b91bbb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Teal** #008080 [harmony: split] — Teal is a split-complement of #b91bbb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/teal
- **Blue Violet** #8a2be2 [harmony: analogous] — Blue Violet is #b91bbb's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. — https://brandsweets.com/colors/blueviolet
- **Crimson** #dc143c [pool] — Crimson is paired with #b91bbb in The Ordinary's brand system, as the supporting colour. Seen in: The Ordinary (https://brandsweets.com/colors/brands/theordinary-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 5.33:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9a169c (7.07:1)
- On black (#000000): 3.94:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #ca1dcd (4.57:1); AA: background → #ededed (4.56:1); AAA: text → #e65ee8 (7.13:1)

## Brands using this color

- **Hasbro** — accent #b822c3 (Δ 1.343) — https://brandsweets.com/colors/brands/hasbro-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b91bbb-c19fbd-96cb62-2d1f27-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: "#b91bbb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.