# #b3fa57

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

## Values

- Hex: `#b3fa57`
- RGB: rgb(179, 250, 87)
- HSL: hsl(86, 94%, 66%)
- OKLCH: oklch(0.907 0.203 129.9)
- Relative luminance: 0.7864
- Nearest named color: Chartreuse (#c1f80a, Δ 2.989) — https://brandsweets.com/colors/chartreuse-2
- Moods: vivid
- Page: https://brandsweets.com/colors/b3fa57

## Tints & shades

- Tints (toward white): #bafa66, #c1fb74, #c9fb88, #d0fc97, #d7fca6, #defdb5, #e4fdc4, #edfed7, #f4fee6, #fbfff5
- Shades (toward black): #a6f939, #98f81b, #87e907, #76cb06, #64ad05, #538f04, #427204, #2e4f02, #1d3102, #0b1401

## Harmonies

- Complementary: #9d57fa
- Analogous: #faef57, #62fa57
- Triadic: #57b3fa, #fa57b3
- Split-complementary: #5762fa, #ef57fa
- Tetradic: #57faef, #9d57fa, #fa5762

## Colors that go with #b3fa57

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

- **Crimson** #dc143c [pool] — Crimson is paired with #b3fa57 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 #b3fa57 in 4 real palettes, including Lay's's brand system and Ikea's brand system, as the lead colour. Seen in: Lay's (https://brandsweets.com/colors/brands/lays-com), Ikea (https://brandsweets.com/colors/brands/ikea-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 #b3fa57 in 5 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
- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite #b3fa57 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 #b3fa57: 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
- **Blue** #0000ff [pool] — 3 real palettes, including Robinhood's brand system and Snapchat's brand system put Blue beside #b3fa57, 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 #b3fa57: 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
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #b3fa57: 3 real palettes, including 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), Miro (https://brandsweets.com/colors/brands/miro-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 1.26:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #4b8104 (4.73:1); AA: background → #666666 (4.57:1); AAA: text → #396303 (7.09:1); AAA: background → #4a4a4a (7.06:1)
- On black (#000000): 16.73:1 — 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/b3fa57-afbea2-4e56df-212d1f-f1f1e9?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: "#b3fa57" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.