# #ef8b39

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

## Values

- Hex: `#ef8b39`
- RGB: rgb(239, 139, 57)
- HSL: hsl(27, 85%, 58%)
- OKLCH: oklch(0.731 0.153 56)
- Relative luminance: 0.3711
- Nearest named color: À l’Orange (#f2850d, Δ 2.002) — https://brandsweets.com/colors/a-lorange
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef8b39

## Tints & shades

- Tints (toward white): #f0964c, #f2a15f, #f4ac71, #f5b784, #f7c297, #f8cdaa, #fad8bd, #fbe3d0, #fdeee3, #fef9f6
- Shades (toward black): #ed7d21, #de6e12, #c66210, #aa540e, #92480c, #7b3d0a, #5e2f08, #472306, #2a1503, #130902

## Harmonies

- Complementary: #399def
- Analogous: #ef3942, #efe639
- Triadic: #39ef8b, #8b39ef
- Split-complementary: #39efe6, #3942ef
- Tetradic: #42ef39, #399def, #e639ef

## Colors that go with #ef8b39

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 #ef8b39: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Amazon (https://brandsweets.com/colors/brands/amazon-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: complementary] — Deep Sky Blue sits directly opposite #ef8b39 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), Learning App (https://brandsweets.com/palettes/playful#learning-app), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Cursor (https://brandsweets.com/colors/brands/cursor-com). — https://brandsweets.com/colors/deepskyblue
- **Amber** #ffbf00 [pool] — Amber is paired with #ef8b39 in 5 real palettes, including Ahrefs's brand system and Maple, as the supporting colour. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Maple (https://brandsweets.com/palettes/warm#maple), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Sketch's brand system and League of Legends's brand system put Blue beside #ef8b39, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Lexus (https://brandsweets.com/colors/brands/lexus-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Burlywood** #deb887 [pool] — Burlywood is paired with #ef8b39 in 4 real palettes, including Chalkboard and Kiln, as the lead colour. Seen in: Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Kiln (https://brandsweets.com/palettes/dark#kiln), Polaroid (https://brandsweets.com/palettes/light#polaroid), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #ef8b39: 5 real palettes, including Paper & Pine and Open House, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Open House (https://brandsweets.com/palettes/clean#open-house), Alpine (https://brandsweets.com/palettes/cool#alpine), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 6 real palettes, including Woodsmoke and Forest Floor put Champagne beside #ef8b39, as that palette's text colour. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #ef8b39: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 2.49:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b85b0f (4.62:1); AA: background → #383838 (4.7:1); AAA: text → #89440b (7.25:1); AAA: background → #171717 (7.19:1)
- On black (#000000): 8.42:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Citrus Grove** (summer, warm, vivid, friendly) — #f28c28, #8bc34a, #ffd23f, #fffcf2, #2c2410 — Orange, lime leaf and lemon — a citrus palette that reads fresh, for drinks, produce and anything seasonal. — tool: https://brandsweets.com/palettes/new/f28c28-8bc34a-ffd23f-fffcf2-2c2410 — collection: https://brandsweets.com/palettes/summer

## 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/ef8b39-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: "#ef8b39" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.