# #ef720b

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

## Values

- Hex: `#ef720b`
- RGB: rgb(239, 114, 11)
- HSL: hsl(27, 91%, 49%)
- OKLCH: oklch(0.689 0.179 50)
- Relative luminance: 0.3041
- Nearest named color: Apocalyptic Orange (#f4711e, Δ 1.202) — https://brandsweets.com/colors/apocalyptic-orange
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef720b

## Tints & shades

- Tints (toward white): #f47f1f, #f68d37, #f79b50, #f8a968, #f9b780, #fac294, #fbd0ac, #fcdec5, #fdecdd, #fff9f5
- Shades (toward black): #db680a, #c35d09, #af5308, #974807, #843f06, #6b3305, #582a04, #3f1e03, #2c1502, #130901

## Harmonies

- Complementary: #0b88ef
- Analogous: #ef0b17, #efe30b
- Triadic: #0bef72, #720bef
- Split-complementary: #0befe3, #0b17ef
- Tetradic: #17ef0b, #0b88ef, #e30bef

## Colors that go with #ef720b

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 #ef720b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Hermès (https://brandsweets.com/colors/brands/hermes-com), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: complementary] — Deep Sky Blue sits directly opposite #ef720b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Cursor (https://brandsweets.com/colors/brands/cursor-com), Figma (https://brandsweets.com/colors/brands/figma), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Amber** #ffbf00 [pool] — Amber is paired with #ef720b in 6 real palettes, including Maple and Ember, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Ember (https://brandsweets.com/palettes/bold#ember), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Sketch's brand system and Readymag's brand system put Blue beside #ef720b, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), Monzo (https://brandsweets.com/colors/brands/monzo-com). — https://brandsweets.com/colors/blue
- **Burlywood** #deb887 [pool] — Burlywood is paired with #ef720b in 4 real palettes, including Kiln and Chalkboard, as the accent. Seen in: Kiln (https://brandsweets.com/palettes/dark#kiln), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Polaroid (https://brandsweets.com/palettes/light#polaroid). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #ef720b: 5 real palettes, including Alpine and Paper & Pine, as the supporting colour. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Dusk (https://brandsweets.com/palettes/cool#dusk), Estate (https://brandsweets.com/palettes/luxury#estate). — https://brandsweets.com/colors/cadetblue
- **Crimson** #dc143c [pool] — Crimson is paired with #ef720b in 4 real palettes, including Burger King's brand system and Tequila Sunrise, as the lead colour. Seen in: Burger King (https://brandsweets.com/colors/brands/bk-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ef720b: 11 real palettes, including Etsy's brand system and Fivetran blue's brand system, as the accent. Seen in: Etsy (https://brandsweets.com/colors/brands/etsy-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Postman (https://brandsweets.com/colors/brands/postman-com), PlanetScale (https://brandsweets.com/colors/brands/planetscale-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 2.97:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #be5a09 (4.51:1); AA: background → #2e2e2e (4.58:1); AAA: text → #8d4307 (7.15:1); AAA: background → #000000 (7.08:1)
- On black (#000000): 7.08:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Hermès** — primary #f37021 (Δ 1.248) — https://brandsweets.com/colors/brands/hermes-com

## Curated palettes containing it

- **Clinic** (clean, cool, light) — #0e7490, #64748b, #f97316, #f8fafc, #0f172a — Teal reads clinical without the coldness of pure blue; the coral accent adds warmth for reassurance moments. — tool: https://brandsweets.com/palettes/new/0e7490-64748b-f97316-f8fafc-0f172a — collection: https://brandsweets.com/palettes/clean
- **Maple** (autumn, warm, vivid) — #c1272d, #e8730c, #f2b705, #fff8ee, #2a1a0a — The three colours a maple goes through in October, on a warm white — loud, seasonal, and readable because the type is near-black. — tool: https://brandsweets.com/palettes/new/c1272d-e8730c-f2b705-fff8ee-2a1a0a — collection: https://brandsweets.com/palettes/autumn

## 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/ef720b-c4b39c-62cbc7-2d2c1f-f1e9ea?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: "#ef720b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.