# #efd243

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

## Values

- Hex: `#efd243`
- RGB: rgb(239, 210, 67)
- HSL: hsl(50, 84%, 60%)
- OKLCH: oklch(0.864 0.157 97.3)
- Relative luminance: 0.6485
- Nearest named color: Aurora (#ebd147, Δ 0.694) — https://brandsweets.com/colors/aurora
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/efd243

## Tints & shades

- Tints (toward white): #f0d756, #f2db69, #f3de77, #f5e38a, #f6e79c, #f8ecaf, #faf0c2, #fbf4d0, #fdf8e3, #fefdf6
- Shades (toward black): #eccb27, #e6c314, #caab12, #b29710, #967f0d, #7a670b, #635409, #463c06, #2f2804, #131002

## Harmonies

- Complementary: #4360ef
- Analogous: #ef7c43, #b6ef43
- Triadic: #43efd2, #d243ef
- Split-complementary: #43b6ef, #7c43ef
- Tetradic: #43ef7c, #4360ef, #ef43b6

## Colors that go with #efd243

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 #efd243: 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
- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #efd243: 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 #efd243 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), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/lilac
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #efd243: 5 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 #efd243 in 8 real palettes, including Diner and Tabloid, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Lay's (https://brandsweets.com/colors/brands/lays-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #efd243: 9 real palettes, including LEGO's brand system and McDonald's's brand system, as the accent. Seen in: LEGO (https://brandsweets.com/colors/brands/lego-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Walmart (https://brandsweets.com/colors/brands/walmart-com), FIFA (https://brandsweets.com/colors/brands/fifa-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #efd243: 6 real palettes, including Miro's brand system and Star Wars's brand system, as the accent. Seen in: Miro (https://brandsweets.com/colors/brands/miro-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com), Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 4 real palettes, including FIFA's brand system and Southwest Airlines's brand system put Midnight Blue beside #efd243, as the lead colour. Seen in: FIFA (https://brandsweets.com/colors/brands/fifa-com), Southwest Airlines (https://brandsweets.com/colors/brands/southwest-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): 1.5:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #88730c (4.66:1); AA: background → #595959 (4.66:1); AAA: text → #675809 (7.06:1); AAA: background → #3d3d3d (7.23:1)
- On black (#000000): 13.97:1 — AA pass, AA-large pass, AAA pass

## 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/efd243-c4c29c-4eacdf-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: "#efd243" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.