# #fef37b

A color — warm, vivid, light, playful, bold, friendly, clean. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#fef37b`
- RGB: rgb(254, 243, 123)
- HSL: hsl(55, 98%, 74%)
- OKLCH: oklch(0.949 0.142 104)
- Relative luminance: 0.866
- Nearest named color: Banana (#fffc79, Δ 2.374) — https://brandsweets.com/colors/banana
- Moods: warm, vivid, light, playful, bold, friendly, clean
- Page: https://brandsweets.com/colors/fef37b

## Tints & shades

- Tints (toward white): #fef486, #fef595, #fef69f, #fef8ae, #fef8b8, #fef9c2, #fffbd2, #fffcdc, #fffdeb, #fffef5
- Shades (toward black): #fdf058, #fdec35, #fde912, #e8d502, #c5b502, #a29402, #7e7401, #5b5301, #383301, #141300

## Harmonies

- Complementary: #7c87fe
- Analogous: #feb27c, #c8fe7c
- Triadic: #7cfef3, #f37cfe
- Split-complementary: #7cc8fe, #b27cfe
- Tetradic: #7cfeb2, #7c87fe, #fe7cc8

## Colors that go with #fef37b

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 #fef37b 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 Bumble's brand system and Snapchat's brand system put Blue beside #fef37b, as the supporting colour. Seen in: Bumble (https://brandsweets.com/colors/brands/bumble-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com), Binance (https://brandsweets.com/colors/brands/binance-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #fef37b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #fef37b in 8 real palettes, including Lay's's brand system and Ferrari's brand system, as the accent. Seen in: Lay's (https://brandsweets.com/colors/brands/lays-com), Ferrari (https://brandsweets.com/colors/brands/ferrari-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #fef37b: 6 real palettes, including FIFA's brand system and Ikea's brand system, as the supporting colour. Seen in: FIFA (https://brandsweets.com/colors/brands/fifa-com), Ikea (https://brandsweets.com/colors/brands/ikea-com), LEGO (https://brandsweets.com/colors/brands/lego-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #fef37b in 13 real palettes, including Crayon Box and Nursery, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Nursery (https://brandsweets.com/palettes/light#nursery), Blossom (https://brandsweets.com/palettes/light#blossom), Calvin Klein (https://brandsweets.com/colors/brands/calvinklein-us). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [pool] — 5 real palettes, including Crayon Box and Fresh Juice put Tomato beside #fef37b, as the lead colour. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Lido (https://brandsweets.com/palettes/vivid#lido), Night Market (https://brandsweets.com/palettes/vivid#night-market). — https://brandsweets.com/colors/tomato
- **Violet** #ee82ee [harmony, pool: split] — Violet is a split-complement of #fef37b: 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

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

- On white (#ffffff): 1.15:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #837801 (4.51:1); AA: background → #6b6b6b (4.65:1); AAA: text → #605801 (7.26:1); AAA: background → #4f4f4f (7.15:1)
- On black (#000000): 18.32:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Crayon Box** (playful, vivid, friendly) — #ff5e5b, #00cecb, #ffed66, #ffffff, #222222 — Red, teal and yellow at crayon saturation — joyful, but on white with black type so it stays readable for grown-ups. — tool: https://brandsweets.com/palettes/new/ff5e5b-00cecb-ffed66-ffffff-222222 — collection: https://brandsweets.com/palettes/playful

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- bold: https://brandsweets.com/fonts/mood/bold
- friendly: https://brandsweets.com/fonts/mood/friendly
- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/fef37b-bdbea2-4ea0df-282d1f-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: "#fef37b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.