# #ffe366

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

## Values

- Hex: `#ffe366`
- RGB: rgb(255, 227, 102)
- HSL: hsl(49, 100%, 70%)
- OKLCH: oklch(0.916 0.146 96.7)
- Relative luminance: 0.7716
- Nearest named color: Mustard Yellow (#ffdb58, Δ 1.963) — https://brandsweets.com/colors/mustard
- Moods: warm, vivid, light, playful, bold, friendly, clean
- Page: https://brandsweets.com/colors/ffe366

## Tints & shades

- Tints (toward white): #ffe675, #ffe985, #ffea8f, #ffed9e, #fff0ad, #fff3bd, #fff6cc, #fff8d6, #fffae5, #fffdf5
- Shades (toward black): #ffdc42, #ffd724, #ffd000, #e0b700, #bd9a00, #997d00, #7a6400, #574700, #382e00, #141100

## Harmonies

- Complementary: #6682ff
- Analogous: #ff9666, #cfff66
- Triadic: #66ffe3, #e366ff
- Split-complementary: #66cfff, #9666ff
- Tetradic: #66ff96, #6682ff, #ff66cf

## Colors that go with #ffe366

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

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #ffe366: 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), Lido (https://brandsweets.com/palettes/vivid#lido), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: complementary] — Cornflower Blue sits directly opposite #ffe366 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Blue** #0000ff [pool] — 4 real palettes, including Bumble's brand system and Binance's brand system put Blue beside #ffe366, as the supporting colour. Seen in: Bumble (https://brandsweets.com/colors/brands/bumble-com), Binance (https://brandsweets.com/colors/brands/binance-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #ffe366 in 7 real palettes, including Lay's's brand system and Diner, as the accent. Seen in: Lay's (https://brandsweets.com/colors/brands/lays-com), Diner (https://brandsweets.com/palettes/vivid#diner), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #ffe366: 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), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ffe366: 7 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
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #ffe366: 5 real palettes, including Star Wars's brand system and Miro's brand system, as the supporting colour. Seen in: Star Wars (https://brandsweets.com/colors/brands/starwars-com), Miro (https://brandsweets.com/colors/brands/miro-com), JetBrains (https://brandsweets.com/colors/brands/jetbrains-com), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/dodgerblue
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #ffe366 in 4 real palettes, including Streetwear and Google's brand system, as the lead colour. Seen in: Streetwear (https://brandsweets.com/palettes/bold#streetwear), Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Brex (https://brandsweets.com/colors/brands/brex-com). — https://brandsweets.com/colors/orangered

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

- On white (#ffffff): 1.28:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8a7000 (4.77:1); AA: background → #636363 (4.7:1); AAA: text → #6b5700 (7.03:1); AAA: background → #474747 (7.27:1)
- On black (#000000): 16.43:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Lay's** — secondary #fce45d (Δ 1.008) — https://brandsweets.com/colors/brands/lays-com
- **Bumble** — accent #ffdb5b (Δ 1.921) — https://brandsweets.com/colors/brands/bumble-com

## 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/ffe366-c4c19c-4eaedf-2a2d1f-f1ece9?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: "#ffe366" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.