# #efdb57

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

## Values

- Hex: `#efdb57`
- RGB: rgb(239, 219, 87)
- HSL: hsl(52, 83%, 64%)
- OKLCH: oklch(0.884 0.151 100.7)
- Relative luminance: 0.697
- Nearest named color: Banana Drama (#f1d548, Δ 1.521) — https://brandsweets.com/colors/banana-drama
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/efdb57

## Tints & shades

- Tints (toward white): #f1de65, #f2e278, #f4e586, #f5e998, #f7eca6, #f8efb4, #faf3c7, #fbf6d5, #fdfae8, #fefdf6
- Shades (toward black): #edd53b, #eacf1f, #d7bd14, #bba411, #9f8b0f, #83730c, #675a0a, #4b4207, #2f2904, #131002

## Harmonies

- Complementary: #576bef
- Analogous: #ef8f57, #b8ef57
- Triadic: #57efdb, #db57ef
- Split-complementary: #57b8ef, #8f57ef
- Tetradic: #57ef8f, #576bef, #ef57b8

## Colors that go with #efdb57

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 #efdb57: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #efdb57: 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), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #efdb57 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 Binance's brand system put Blue beside #efdb57, 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
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #efdb57: 4 real palettes, including NBA's brand system and Ahrefs's brand system, as the accent. 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
- **Crimson** #dc143c [pool] — Crimson is paired with #efdb57 in 8 real palettes, including Diner and Lay's's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Lay's (https://brandsweets.com/colors/brands/lays-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #efdb57: 7 real palettes, including FIFA's brand system and LEGO's brand system, as the supporting colour. Seen in: FIFA (https://brandsweets.com/colors/brands/fifa-com), LEGO (https://brandsweets.com/colors/brands/lego-com), Ikea (https://brandsweets.com/colors/brands/ikea-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 #efdb57: 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), Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 1.41:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #83730c (4.75:1); AA: background → #5e5e5e (4.61:1); AAA: text → #625609 (7.36:1); AAA: background → #424242 (7.15:1)
- On black (#000000): 14.94:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Star Wars** — accent #fade4b (Δ 1.973) — https://brandsweets.com/colors/brands/starwars-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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/efdb57-c4c39c-4ea7df-292d1f-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: "#efdb57" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.