# #fcff52

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

## Values

- Hex: `#fcff52`
- RGB: rgb(252, 255, 82)
- HSL: hsl(61, 100%, 66%)
- OKLCH: oklch(0.968 0.186 110.4)
- Relative luminance: 0.9282
- Nearest named color: Biohazard Suit (#fbfb4c, Δ 0.997) — https://brandsweets.com/colors/biohazard-suit
- Moods: vivid
- Page: https://brandsweets.com/colors/fcff52

## Tints & shades

- Tints (toward white): #fcff61, #fdff70, #fdff85, #fdff94, #fdffa3, #feffb3, #feffc2, #feffd6, #ffffe5, #fffff5
- Shades (toward black): #fcff33, #fbff14, #ecf000, #ced100, #b0b300, #919400, #737500, #505200, #323300, #141400

## Harmonies

- Complementary: #5452ff
- Analogous: #ffab52, #a5ff52
- Triadic: #52fcff, #ff52fc
- Split-complementary: #52a5ff, #ab52ff
- Tetradic: #52ffab, #5452ff, #ff52a5

## Colors that go with #fcff52

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

- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #fcff52 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com). — https://brandsweets.com/colors/lilac
- **Blue** #0000ff [pool] — 4 real palettes, including Snapchat's brand system and Robinhood's brand system put Blue beside #fcff52, as the supporting colour. Seen in: Snapchat (https://brandsweets.com/colors/brands/snapchat-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com), Bumble (https://brandsweets.com/colors/brands/bumble-com), Binance (https://brandsweets.com/colors/brands/binance-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #fcff52 in 4 real palettes, including Ferrari's brand system and Lay's's brand system, as the lead colour. Seen in: 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), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Taupe** #483c32 [pool] — Taupe is paired with #fcff52 in 6 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), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony, pool: split] — Violet is a split-complement of #fcff52: 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
- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #fcff52: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #fcff52: 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), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Deep Pink** #ff1493 [pool] — 3 real palettes, including JetBrains's brand system and Arcade put Deep Pink beside #fcff52, as the lead colour. Seen in: JetBrains (https://brandsweets.com/colors/brands/jetbrains-com), Arcade (https://brandsweets.com/palettes/vivid#arcade), Night Market (https://brandsweets.com/palettes/vivid#night-market). — https://brandsweets.com/colors/deeppink

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

- On white (#ffffff): 1.07:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #787a00 (4.58:1); AA: background → #707070 (4.61:1); AAA: text → #5a5c00 (7.08:1); AAA: background → #545454 (7.06:1)
- On black (#000000): 19.56:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **JetBrains** — accent #fefc4f (Δ 0.73) — https://brandsweets.com/colors/brands/jetbrains-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/fcff52-babea2-4e92df-272d1f-f1ede9?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: "#fcff52" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.