# #bbf109

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

## Values

- Hex: `#bbf109`
- RGB: rgb(187, 241, 9)
- HSL: hsl(74, 93%, 49%)
- OKLCH: oklch(0.888 0.221 124.5)
- Relative luminance: 0.735
- Nearest named color: Chartreuse (#c1f80a, Δ 2.029) — https://brandsweets.com/colors/chartreuse-2
- Moods: vivid
- Page: https://brandsweets.com/colors/bbf109

## Tints & shades

- Tints (toward white): #c4f71d, #caf835, #d1f94e, #d7f966, #defa7f, #e3fb93, #e9fcab, #f0fdc4, #f6fedd, #fcfff5
- Shades (toward black): #acdd08, #99c507, #89b106, #769906, #678505, #546c04, #455903, #324002, #222c02, #0f1401

## Harmonies

- Complementary: #3f09f1
- Analogous: #f1b309, #47f109
- Triadic: #09bbf1, #f109bb
- Split-complementary: #0947f1, #b309f1
- Tetradic: #09f1b3, #3f09f1, #f10947

## Colors that go with #bbf109

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 Snapchat's brand system put Blue beside #bbf109, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com), Binance (https://brandsweets.com/colors/brands/binance-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #bbf109 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 #bbf109 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 #bbf109 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 #bbf109: 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 #bbf109: 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 #bbf109, 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #bbf109: 3 real palettes, including Ikea's brand system and LEGO's brand system, as the accent. Seen in: Ikea (https://brandsweets.com/colors/brands/ikea-com), LEGO (https://brandsweets.com/colors/brands/lego-com), FIFA (https://brandsweets.com/colors/brands/fifa-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 1.34:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #638005 (4.55:1); AA: background → #616161 (4.63:1); AAA: text → #485e03 (7.3:1); AAA: background → #454545 (7.17:1)
- On black (#000000): 15.7:1 — 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/bbf109-b4bea2-4e72df-242d1f-f1efe9?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: "#bbf109" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.