# Atomic Lime (#b9ff03)

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

## Values

- Hex: `#b9ff03`
- RGB: rgb(185, 255, 3)
- HSL: hsl(77, 100%, 51%)
- OKLCH: oklch(0.919 0.237 127.1)
- Relative luminance: 0.8184
- Name: Atomic Lime (`atomic-lime`, source: list)
- Moods: vivid
- Page: https://brandsweets.com/colors/atomic-lime

## Tints & shades

- Tints (toward white): #bfff1f, #c5ff33, #ccff4d, #d4ff66, #dbff80, #e1ff94, #e8ffad, #efffc7, #f5ffdb, #fcfff5
- Shades (toward black): #a8eb00, #9ad600, #87bd00, #75a300, #668f00, #547500, #425c00, #304200, #212e00, #0f1400

## Harmonies

- Complementary: #4c05ff
- Analogous: #ffc905, #3bff05
- Triadic: #05b8ff, #ff05b8
- Split-complementary: #053bff, #c905ff
- Tetradic: #05ffc9, #4c05ff, #ff053b

## Colors that go with Atomic Lime

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

- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite Atomic Lime 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 Atomic Lime: 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 Atomic Lime: 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 Atomic Lime 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
- **Blue** #0000ff [pool] — Two real palettes: Robinhood's brand system and Snapchat's brand system put Blue beside Atomic Lime, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with Atomic Lime in two real palettes: Ferrari's brand system and Wise's brand system, as the lead colour. Seen in: Ferrari (https://brandsweets.com/colors/brands/ferrari-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/crimson
- **Deep Pink** #ff1493 [pool] — Two real palettes: Arcade and JetBrains's brand system put Deep Pink beside Atomic Lime, 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 Atomic Lime: 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): 1.21:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5b8000 (4.63:1); AA: background → #696969 (4.54:1); AAA: text → #456100 (7.09:1); AAA: background → #4a4a4a (7.33:1)
- On black (#000000): 17.37:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Electric Lime** (neon, vivid, bold, light) — #c6ff00, #111111, #ff3d00, #ffffff — One neon on white with black type — lime-and-black is the neon that works in daylight; the orange is a second gear. — tool: https://brandsweets.com/palettes/new/c6ff00-111111-ff3d00-ffffff — collection: https://brandsweets.com/palettes/neon

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b9ff03-b3bea2-4e6bdf-232d1f-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: "#b9ff03" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.