# #ef811a

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

## Values

- Hex: `#ef811a`
- RGB: rgb(239, 129, 26)
- HSL: hsl(29, 87%, 52%)
- OKLCH: oklch(0.712 0.168 55.6)
- Relative luminance: 0.3413
- Nearest named color: À l’Orange (#f2850d, Δ 1.227) — https://brandsweets.com/colors/a-lorange
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef811a

## Tints & shades

- Tints (toward white): #f18e32, #f29945, #f4a65d, #f5b070, #f7bd88, #f8cba0, #fad5b3, #fbe2cb, #fdedde, #fefaf5
- Shades (toward black): #e07410, #c8680e, #b55e0d, #9d520b, #864509, #6e3908, #562d06, #432305, #2b1603, #130a01

## Harmonies

- Complementary: #1a88ef
- Analogous: #ef1a1e, #efec1a
- Triadic: #1aef81, #811aef
- Split-complementary: #1aefec, #1a1eef
- Tetradic: #1eef1a, #1a88ef, #ec1aef

## Colors that go with #ef811a

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 #ef811a: 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), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #ef811a: 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), Gopro (https://brandsweets.com/colors/brands/gopro-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [harmony, pool: complementary] — Deep Sky Blue sits directly opposite #ef811a 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), Cursor (https://brandsweets.com/colors/brands/cursor-com), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/deepskyblue
- **Amber** #ffbf00 [pool] — Amber is paired with #ef811a in 5 real palettes, including Maple and Ahrefs's brand system, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Ember (https://brandsweets.com/palettes/bold#ember), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Sketch's brand system and Readymag's brand system put Blue beside #ef811a, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com). — https://brandsweets.com/colors/blue
- **Burlywood** #deb887 [pool] — Burlywood is paired with #ef811a 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 #ef811a: 5 real palettes, including Paper & Pine and Alpine, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Alpine (https://brandsweets.com/palettes/cool#alpine), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 6 real palettes, including Woodsmoke and Coffee Bar put Champagne beside #ef811a, as that palette's text colour. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/champagne

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

- On white (#ffffff): 2.68:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b55e0d (4.59:1); AA: background → #363636 (4.5:1); AAA: text → #864509 (7.32:1); AAA: background → #0f0f0f (7.14:1)
- On black (#000000): 7.83:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Cloudflare** — primary #f6821f (Δ 1.327) — https://brandsweets.com/colors/brands/cloudflare

## 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/ef811a-c4b49c-62cbcb-2d2c1f-f1e9e9?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: "#ef811a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.