# #c9fa38

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

## Values

- Hex: `#c9fa38`
- RGB: rgb(201, 250, 56)
- HSL: hsl(75, 95%, 60%)
- OKLCH: oklch(0.919 0.211 123.5)
- Relative luminance: 0.8107
- Nearest named color: Chartreuse (#c1f80a, Δ 1.804) — https://brandsweets.com/colors/chartreuse-2
- Moods: vivid
- Page: https://brandsweets.com/colors/c9fa38

## Tints & shades

- Tints (toward white): #cffa4c, #d4fb60, #d8fb6f, #defc83, #e3fc97, #e8fdaa, #eefdbe, #f2fecd, #f7fee1, #fcfff5
- Shades (toward black): #c1f91a, #b8f406, #a2d605, #8fbd05, #789f04, #628103, #4f6803, #384b02, #263201, #0f1401

## Harmonies

- Complementary: #6938fa
- Analogous: #fac938, #69fa38
- Triadic: #38c9fa, #fa38c9
- Split-complementary: #3869fa, #c938fa
- Tetradic: #38fac9, #6938fa, #fa3869

## Colors that go with #c9fa38

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 #c9fa38, 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), Bumble (https://brandsweets.com/colors/brands/bumble-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #c9fa38 in 4 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), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise). — https://brandsweets.com/colors/crimson
- **Red** #ff0000 [pool] — Red is paired with #c9fa38 in 5 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), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com). — https://brandsweets.com/colors/red
- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite #c9fa38 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 #c9fa38: 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 #c9fa38: 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 #c9fa38, 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 #c9fa38: 3 real palettes, including Ikea's brand system and FIFA's brand system, as the accent. Seen in: Ikea (https://brandsweets.com/colors/brands/ikea-com), FIFA (https://brandsweets.com/colors/brands/fifa-com), LEGO (https://brandsweets.com/colors/brands/lego-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 1.22:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #628103 (4.51:1); AA: background → #696969 (4.5:1); AAA: text → #475e02 (7.32:1); AAA: background → #4a4a4a (7.26:1)
- On black (#000000): 17.21:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Robinhood** — primary #ccfc04 (Δ 1.517) — https://brandsweets.com/colors/brands/robinhood-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/c9fa38-b4bea2-4e70df-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: "#c9fa38" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.