# #c4ff2e

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

## Values

- Hex: `#c4ff2e`
- RGB: rgb(196, 255, 46)
- HSL: hsl(77, 100%, 59%)
- OKLCH: oklch(0.927 0.223 125.3)
- Relative luminance: 0.8345
- Nearest named color: Atomic Lime (#b9ff03, Δ 1.746) — https://brandsweets.com/colors/atomic-lime
- Moods: vivid
- Page: https://brandsweets.com/colors/c4ff2e

## Tints & shades

- Tints (toward white): #caff42, #cfff57, #d5ff6b, #dbff80, #e1ff94, #e5ffa3, #ebffb8, #f1ffcc, #f6ffe0, #fcfff5
- Shades (toward black): #bdff14, #aff500, #9ddb00, #87bd00, #75a300, #5f8500, #4d6b00, #374d00, #253300, #0f1400

## Harmonies

- Complementary: #692eff
- Analogous: #ffd22e, #5bff2e
- Triadic: #2ec4ff, #ff2ec4
- Split-complementary: #2e5bff, #d22eff
- Tetradic: #2effd2, #692eff, #ff2e5b

## Colors that go with #c4ff2e

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 #c4ff2e 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 #c4ff2e: 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 #c4ff2e: 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
- **Crimson** #dc143c [pool] — Crimson is paired with #c4ff2e in 3 real palettes, including 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), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/crimson
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #c4ff2e: 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
- **Gold** #ffd700 [pool] — Gold shows up next to #c4ff2e in 3 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). — https://brandsweets.com/colors/gold
- **Red** #ff0000 [pool] — Red is paired with #c4ff2e in 3 real palettes, including Heineken's brand system and Wise's brand system, as the accent. Seen in: Heineken (https://brandsweets.com/colors/brands/heineken-com), Wise (https://brandsweets.com/colors/brands/wise-com), Paddle (https://brandsweets.com/colors/brands/paddle-com). — https://brandsweets.com/colors/red
- **Taupe** #483c32 [pool] — Taupe is paired with #c4ff2e 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

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

- On white (#ffffff): 1.19:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #5b8000 (4.63:1); AA: background → #696969 (4.62:1); AAA: text → #456100 (7.09:1); AAA: background → #4d4d4d (7.12:1)
- On black (#000000): 17.69:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Robinhood** — accent #ccff00 (Δ 1.127) — https://brandsweets.com/colors/brands/robinhood-com
- **Robinhood** — primary #ccfc04 (Δ 1.137) — https://brandsweets.com/colors/brands/robinhood-com

## 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/c4ff2e-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: "#c4ff2e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.