# #b1fa29

A color — vivid. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#b1fa29`
- RGB: rgb(177, 250, 41)
- HSL: hsl(81, 95%, 57%)
- OKLCH: oklch(0.903 0.228 128.4)
- Relative luminance: 0.7788
- Nearest named color: greenyellow (#adff2f, Δ 1.266) — https://brandsweets.com/colors/greenyellow
- Moods: vivid
- Page: https://brandsweets.com/colors/b1fa29

## Tints & shades

- Tints (toward white): #b8fa3d, #bffb51, #c6fb65, #cefc79, #d7fc92, #defda5, #e5fdb9, #edfecd, #f4fee1, #fbfff5
- Shades (toward black): #a7f910, #97e506, #86cc05, #76b305, #669a04, #527c03, #426303, #314b02, #1d2d01, #0d1401

## Harmonies

- Complementary: #7229fa
- Analogous: #fada29, #48fa29
- Triadic: #29b1fa, #fa29b1
- Split-complementary: #2948fa, #da29fa
- Tetradic: #29fada, #7229fa, #fa2948

## Colors that go with #b1fa29

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

- **Violet** #ee82ee [harmony, pool: complementary] — Violet sits directly opposite #b1fa29 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Gumroad (https://brandsweets.com/colors/brands/gumroad-com). — https://brandsweets.com/colors/violet
- **Red** #ff0000 [pool] — Red is paired with #b1fa29 in 4 real palettes, including Wise's brand system and Heineken's brand system, as the lead colour. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Heineken (https://brandsweets.com/colors/brands/heineken-com), Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Paddle (https://brandsweets.com/colors/brands/paddle-com). — https://brandsweets.com/colors/red
- **Blue** #0000ff [pool] — 3 real palettes, including Robinhood's brand system and Snapchat's brand system put Blue beside #b1fa29, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #b1fa29: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Taupe** #483c32 [pool] — Taupe is paired with #b1fa29 in 3 real palettes, including Calvin Klein's brand system and Tommy Hilfiger's brand system, as the lead colour. Seen in: Calvin Klein (https://brandsweets.com/colors/brands/calvinklein-us), Tommy Hilfiger (https://brandsweets.com/colors/brands/tommy-com), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/taupe
- **Crimson** #dc143c [pool] — Crimson is paired with #b1fa29 in two real palettes: Wise's brand system and Ferrari's brand system, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Ferrari (https://brandsweets.com/colors/brands/ferrari-com). — https://brandsweets.com/colors/crimson
- **Deep Pink** #ff1493 [pool] — Two real palettes: Arcade and JetBrains's brand system put Deep Pink beside #b1fa29, as the lead colour. Seen in: Arcade (https://brandsweets.com/palettes/vivid#arcade), JetBrains (https://brandsweets.com/colors/brands/jetbrains-com). — https://brandsweets.com/colors/deeppink
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #b1fa29: two real palettes: JetBrains's brand system and Star Wars's brand system, as the supporting colour. Seen in: JetBrains (https://brandsweets.com/colors/brands/jetbrains-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 1.27:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #558103 (4.64:1); AA: background → #666666 (4.53:1); AAA: text → #3e5e02 (7.48:1); AAA: background → #474747 (7.33:1)
- On black (#000000): 16.58:1 — 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/b1fa29-b1bea2-4e62df-222d1f-f1f0e9?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: "#b1fa29" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.