# #b12b9a

A color — warm, vivid, playful, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#b12b9a`
- RGB: rgb(177, 43, 154)
- HSL: hsl(310, 61%, 43%)
- OKLCH: oklch(0.539 0.204 336.1)
- Relative luminance: 0.1341
- Nearest named color: Jealous Jellyfish (#bb0099, Δ 3.172) — https://brandsweets.com/colors/jealous-jellyfish
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/b12b9a

## Tints & shades

- Tints (toward white): #c931b0, #d142b9, #d75bc2, #dc6fca, #e288d3, #e79cdb, #edb5e4, #f2caeb, #f8e2f4, #fdf7fc
- Shades (toward black): #a0278c, #90237e, #7f1f6f, #6f1b61, #631856, #521448, #421039, #310c2b, #21081d, #10040e

## Harmonies

- Complementary: #2bb141
- Analogous: #842bb1, #b12b57
- Triadic: #9ab12b, #2b9ab1
- Split-complementary: #57b12b, #2bb184
- Tetradic: #b1842b, #2bb141, #2b57b1

## Colors that go with #b12b9a

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

- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #b12b9a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b12b9a: 4 real palettes, including Peacock and Hasbro's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Chase (https://brandsweets.com/colors/brands/chase-com), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/denim
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #b12b9a: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Teal** #008080 [harmony: split] — Teal is a split-complement of #b12b9a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/teal
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #b12b9a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Crimson** #dc143c [harmony, pool: analogous] — Crimson is #b12b9a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: The Ordinary (https://brandsweets.com/colors/brands/theordinary-com). — https://brandsweets.com/colors/crimson
- **Orange** #ffa500 [pool] — Two real palettes: Rippling's brand system and Sunset Boulevard put Orange beside #b12b9a, as the lead colour. Seen in: Rippling (https://brandsweets.com/colors/brands/rippling-com), Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard). — https://brandsweets.com/colors/orange
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #b12b9a in two real palettes: Chase's brand system and Ubisoft's brand system, as the supporting colour. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Ubisoft (https://brandsweets.com/colors/brands/ubisoft-com). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 5.7:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #982585 (7.15:1)
- On black (#000000): 3.68:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #c931b0 (4.55:1); AA: background → #e6e6e6 (4.57:1); AAA: text → #dc6fca (7.17:1)

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- 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/b12b9a-c19fb7-83cb62-2d1f25-efe9f1?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: "#b12b9a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.