# #b1f033

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

## Values

- Hex: `#b1f033`
- RGB: rgb(177, 240, 51)
- HSL: hsl(80, 86%, 57%)
- OKLCH: oklch(0.881 0.213 127.2)
- Relative luminance: 0.7191
- Nearest named color: Chartreuse (#c1f80a, Δ 3.164) — https://brandsweets.com/colors/chartreuse-2
- Moods: vivid
- Page: https://brandsweets.com/colors/b1f033

## Tints & shades

- Tints (toward white): #b8f146, #bff359, #c7f46c, #cef57f, #d7f797, #def9aa, #e6fabd, #edfbd0, #f4fde3, #fbfef6
- Shades (toward black): #a8ee1b, #97da10, #87c20f, #76ab0d, #66930b, #527709, #425f07, #314705, #1e2b03, #0d1301

## Harmonies

- Complementary: #7233f0
- Analogous: #f0d033, #52f033
- Triadic: #33b1f0, #f033b1
- Split-complementary: #3352f0, #d033f0
- Tetradic: #33f0d0, #7233f0, #f03352

## Colors that go with #b1f033

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

- **Blue** #0000ff [pool] — 4 real palettes, including Robinhood's brand system and MongoDB's brand system put Blue beside #b1f033, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com), Binance (https://brandsweets.com/colors/brands/binance-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #b1f033 in 4 real palettes, including 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), Lay's (https://brandsweets.com/colors/brands/lays-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise). — https://brandsweets.com/colors/crimson
- **Red** #ff0000 [pool] — Red is paired with #b1f033 in 5 real palettes, including Wise's brand system and Gatorade's brand system, as the lead colour. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Heineken (https://brandsweets.com/colors/brands/heineken-com), Paddle (https://brandsweets.com/colors/brands/paddle-com). — https://brandsweets.com/colors/red
- **Taupe** #483c32 [pool] — Taupe is paired with #b1f033 in 4 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), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/taupe
- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite #b1f033 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/plum
- **Violet** #ee82ee [harmony, pool: split] — Violet is a split-complement of #b1f033: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Gumroad (https://brandsweets.com/colors/brands/gumroad-com). — https://brandsweets.com/colors/violet
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #b1f033: 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
- **Deep Pink** #ff1493 [pool] — 3 real palettes, including Arcade and JetBrains's brand system put Deep Pink beside #b1f033, as the lead colour. Seen in: Arcade (https://brandsweets.com/palettes/vivid#arcade), JetBrains (https://brandsweets.com/colors/brands/jetbrains-com), Night Market (https://brandsweets.com/palettes/vivid#night-market). — https://brandsweets.com/colors/deeppink

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

- On white (#ffffff): 1.37:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #59800a (4.65:1); AA: background → #616161 (4.54:1); AAA: text → #425f07 (7.31:1); AAA: background → #454545 (7.02:1)
- On black (#000000): 15.38:1 — 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/b1f033-b1bea2-4e64df-232d1f-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: "#b1f033" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.