# #efcc43

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

## Values

- Hex: `#efcc43`
- RGB: rgb(239, 204, 67)
- HSL: hsl(48, 84%, 60%)
- OKLCH: oklch(0.852 0.153 94.3)
- Relative luminance: 0.6194
- Nearest named color: Aurora (#ebd147, Δ 1.276) — https://brandsweets.com/colors/aurora
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/efcc43

## Tints & shades

- Tints (toward white): #f0d156, #f2d769, #f3da77, #f5df8a, #f6e49c, #f8e9af, #faefc2, #fbf2d0, #fdf7e3, #fefcf6
- Shades (toward black): #ecc527, #e6bc14, #caa512, #b29210, #967b0d, #7a640b, #635109, #463a06, #2f2604, #130f02

## Harmonies

- Complementary: #4366ef
- Analogous: #ef7743, #bbef43
- Triadic: #43efcc, #cc43ef
- Split-complementary: #43bbef, #7743ef
- Tetradic: #43ef77, #4366ef, #ef43bb

## Colors that go with #efcc43

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 #efcc43: 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), Coastal (https://brandsweets.com/palettes/cool#coastal), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: complementary] — Cornflower Blue sits directly opposite #efcc43 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
- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #efcc43: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Crimson** #dc143c [pool] — Crimson is paired with #efcc43 in 9 real palettes, including Tabloid and Wells Fargo's brand system, as the lead colour. Seen in: Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #efcc43: 11 real palettes, including McDonald's's brand system and Walmart's brand system, as the accent. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Walmart (https://brandsweets.com/colors/brands/walmart-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #efcc43: 5 real palettes, including Google's brand system and Miro's brand system, as the lead colour. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Miro (https://brandsweets.com/colors/brands/miro-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/dodgerblue
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #efcc43 in 4 real palettes, including Olympics's brand system and Heineken's brand system, as the accent. Seen in: Olympics (https://brandsweets.com/colors/brands/olympics-com), Heineken (https://brandsweets.com/colors/brands/heineken-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/mediumseagreen
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Southwest Airlines's brand system and FIFA's brand system put Midnight Blue beside #efcc43, as the supporting colour. Seen in: Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), FIFA (https://brandsweets.com/colors/brands/fifa-com), American Eagle (https://brandsweets.com/colors/brands/ae-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 1.57:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8d730c (4.58:1); AA: background → #575757 (4.61:1); AAA: text → #675409 (7.37:1); AAA: background → #3b3b3b (7.14:1)
- On black (#000000): 13.39:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **NBA** — primary #fbcd44 (Δ 1.87) — https://brandsweets.com/colors/brands/nba-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/efcc43-c4c09c-62aacb-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: "#efcc43" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.