# #f1fe01

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

## Values

- Hex: `#f1fe01`
- RGB: rgb(241, 254, 1)
- HSL: hsl(63, 99%, 50%)
- OKLCH: oklch(0.955 0.214 113.5)
- Relative luminance: 0.8959
- Nearest named color: Banana Flash (#eefe02, Δ 0.394) — https://brandsweets.com/colors/banana-flash
- Moods: vivid
- Page: https://brandsweets.com/colors/f1fe01

## Tints & shades

- Tints (toward white): #f2fe1b, #f4fe34, #f5fe48, #f6fe62, #f8fe7b, #f9fe94, #fbffae, #fcffc2, #fdffdb, #fefff5
- Shades (toward black): #d9e401, #c6d001, #aeb701, #9aa201, #828901, #6a7001, #575b00, #3f4200, #2b2e00, #131400

## Harmonies

- Complementary: #0e01fe
- Analogous: #fe8c01, #73fe01
- Triadic: #01f1fe, #fe01f1
- Split-complementary: #0173fe, #8c01fe
- Tetradic: #01fe8c, #0e01fe, #fe0173

## Colors that go with #f1fe01

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 Snapchat's brand system and Robinhood's brand system put Blue beside #f1fe01, 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
- **Taupe** #483c32 [pool] — Taupe is paired with #f1fe01 in 4 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 #f1fe01: 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
- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite #f1fe01 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #f1fe01: 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
- **Crimson** #dc143c [pool] — Crimson is paired with #f1fe01 in 3 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). — https://brandsweets.com/colors/crimson
- **Deep Pink** #ff1493 [pool] — 3 real palettes, including Arcade and JetBrains's brand system put Deep Pink beside #f1fe01, 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 #f1fe01: 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): 1.11:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #747a01 (4.64:1); AA: background → #6e6e6e (4.59:1); AAA: text → #575b00 (7.24:1); AAA: background → #525252 (7.04:1)
- On black (#000000): 18.92:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Snapchat** — primary #fffc00 (Δ 1.908) — https://brandsweets.com/colors/brands/snapchat-com
- **Snapchat** — accent #fffc00 (Δ 1.908) — https://brandsweets.com/colors/brands/snapchat-com
- **Calvin Klein** — accent #ffff00 (Δ 1.923) — https://brandsweets.com/colors/brands/calvinklein-us
- **Tommy Hilfiger** — accent #ffff00 (Δ 1.923) — https://brandsweets.com/colors/brands/tommy-com

## Curated palettes containing it

- **Arcade** (neon, vivid, dark, bold) — #ff2e88, #00f0ff, #faff00, #0a0a14, #f5f5ff — Hot pink, cyan and acid yellow on near-black — cabinet-glow neon; the black surface is what makes the colours light up. — tool: https://brandsweets.com/palettes/new/ff2e88-00f0ff-faff00-0a0a14-f5f5ff — collection: https://brandsweets.com/palettes/neon

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/f1fe01-b9bea2-4e8ddf-262d1f-f1eee9?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: "#f1fe01" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.