# #b4f651

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

## Values

- Hex: `#b4f651`
- RGB: rgb(180, 246, 81)
- HSL: hsl(84, 90%, 64%)
- OKLCH: oklch(0.898 0.202 128.7)
- Relative luminance: 0.7621
- Nearest named color: Chartreuse (#c1f80a, Δ 2.972) — https://brandsweets.com/colors/chartreuse-2
- Moods: vivid
- Page: https://brandsweets.com/colors/b4f651

## Tints & shades

- Tints (toward white): #baf75f, #c2f872, #c9f881, #d1f994, #d7faa3, #defbb1, #e6fcc5, #ecfdd3, #f5fee7, #fbfef5
- Shades (toward black): #a7f434, #9bf316, #8adf0c, #78c20a, #66a509, #548807, #426b06, #304e04, #1e3003, #0c1301

## Harmonies

- Complementary: #9351f6
- Analogous: #f6e551, #61f651
- Triadic: #51b4f6, #f651b4
- Split-complementary: #5161f6, #e551f6
- Tetradic: #51f6e5, #9351f6, #f65161

## Colors that go with #b4f651

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] — 5 real palettes, including Robinhood's brand system and Snapchat's brand system put Blue beside #b4f651, 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), Binance (https://brandsweets.com/colors/brands/binance-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #b4f651 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
- **Gold** #ffd700 [pool] — Gold shows up next to #b4f651 in 4 real palettes, including Ikea's brand system and Lay's's brand system, as the supporting colour. Seen in: Ikea (https://brandsweets.com/colors/brands/ikea-com), Lay's (https://brandsweets.com/colors/brands/lays-com), Paddle (https://brandsweets.com/colors/brands/paddle-com), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/gold
- **Red** #ff0000 [pool] — Red is paired with #b4f651 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
- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite #b4f651 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 #b4f651: 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 #b4f651: 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 #b4f651, 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): 1.29:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #518307 (4.57:1); AA: background → #636363 (4.65:1); AAA: text → #3c6105 (7.23:1); AAA: background → #474747 (7.19:1)
- On black (#000000): 16.24:1 — 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/b4f651-afbea2-4e5adf-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: "#b4f651" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.