# #c5ff05

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

## Values

- Hex: `#c5ff05`
- RGB: rgb(197, 255, 5)
- HSL: hsl(74, 100%, 51%)
- OKLCH: oklch(0.926 0.231 124.7)
- Relative luminance: 0.834
- Nearest named color: Atomic Lime (#b9ff03, Δ 1.372) — https://brandsweets.com/colors/atomic-lime
- Moods: vivid
- Page: https://brandsweets.com/colors/c5ff05

## Tints & shades

- Tints (toward white): #cbff1f, #cfff33, #d5ff4d, #dbff66, #e1ff80, #e6ff94, #ecffad, #f2ffc7, #f7ffdb, #fdfff5
- Shades (toward black): #b4eb00, #a4d600, #91bd00, #7da300, #6d8f00, #5a7500, #465c00, #334200, #232e00, #101400

## Harmonies

- Complementary: #3f05ff
- Analogous: #ffbc05, #48ff05
- Triadic: #05c5ff, #ff05c5
- Split-complementary: #0548ff, #bc05ff
- Tetradic: #05ffbc, #3f05ff, #ff0548

## Colors that go with #c5ff05

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 #c5ff05 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 #c5ff05: 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 #c5ff05: 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 #c5ff05 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 #c5ff05: 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 #c5ff05 in 3 real palettes, including Ikea's brand system and Paddle's brand system, as the supporting colour. Seen in: Ikea (https://brandsweets.com/colors/brands/ikea-com), Paddle (https://brandsweets.com/colors/brands/paddle-com), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/gold
- **Red** #ff0000 [pool] — Red is paired with #c5ff05 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 #c5ff05 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 → #628000 (4.56:1); AA: background → #696969 (4.62:1); AAA: text → #465c00 (7.52:1); AAA: background → #4d4d4d (7.12:1)
- On black (#000000): 17.68:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Robinhood** — accent #ccff00 (Δ 0.812) — https://brandsweets.com/colors/brands/robinhood-com
- **Robinhood** — primary #ccfc04 (Δ 1.062) — 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/c5ff05-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: "#c5ff05" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.