# #ef4c01

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

## Values

- Hex: `#ef4c01`
- RGB: rgb(239, 76, 1)
- HSL: hsl(19, 99%, 47%)
- OKLCH: oklch(0.64 0.209 38)
- Relative luminance: 0.2352
- Nearest named color: Baptism by Fire (#e6490b, Δ 1.923) — https://brandsweets.com/colors/baptism-by-fire
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef4c01

## Tints & shades

- Tints (toward white): #fe580b, #fe6a25, #fe7b3e, #fe8c58, #fea176, #feb38f, #ffc4a9, #ffd5c2, #ffe7db, #fff8f5
- Shades (toward black): #da4601, #c13e01, #ad3701, #983101, #842a01, #6b2201, #561c00, #421500, #290d00, #140600

## Harmonies

- Complementary: #01a3ef
- Analogous: #ef012d, #efc301
- Triadic: #01ef4c, #4c01ef
- Split-complementary: #01efc3, #012def
- Tetradic: #2def01, #01a3ef, #c301ef

## Colors that go with #ef4c01

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Cadet Blue** #5f9ea0 [harmony, pool: complementary] — Cadet Blue sits directly opposite #ef4c01 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Alpine (https://brandsweets.com/palettes/cool#alpine), Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/cadetblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #ef4c01: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: HubSpot (https://brandsweets.com/colors/brands/hubspot-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com). — https://brandsweets.com/colors/charcoal
- **Dodger Blue** #1e90ff [harmony, pool: split] — Dodger Blue is a split-complement of #ef4c01: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Replit (https://brandsweets.com/colors/brands/replit), Figma (https://brandsweets.com/colors/brands/figma), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/dodgerblue
- **Amber** #ffbf00 [pool] — Amber is paired with #ef4c01 in 7 real palettes, including Heatwave and Ember, as the supporting colour. Seen in: Heatwave (https://brandsweets.com/palettes/warm#heatwave), Ember (https://brandsweets.com/palettes/bold#ember), Google (https://brandsweets.com/colors/brands/google-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Glossier's brand system and Readymag's brand system put Blue beside #ef4c01, as the accent. Seen in: Glossier (https://brandsweets.com/colors/brands/glossier-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Monzo (https://brandsweets.com/colors/brands/monzo-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #ef4c01: 5 real palettes, including Tide's brand system and NASA's brand system, as the lead colour. Seen in: Tide (https://brandsweets.com/colors/brands/tide-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ef4c01: 15 real palettes, including PlanetScale's brand system and Postman's brand system, as the accent. Seen in: PlanetScale (https://brandsweets.com/colors/brands/planetscale-com), Postman (https://brandsweets.com/colors/brands/postman-com), Strava (https://brandsweets.com/colors/brands/strava-com), Soundcloud (https://brandsweets.com/colors/brands/soundcloud-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #ef4c01: 8 real palettes, including Ember and 3M's brand system, as the supporting colour. Seen in: Ember (https://brandsweets.com/palettes/bold#ember), 3M (https://brandsweets.com/colors/brands/3m-com), Maple (https://brandsweets.com/palettes/warm#maple), Vodafone (https://brandsweets.com/colors/brands/vodafone-com). — https://brandsweets.com/colors/firebrick

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

- On white (#ffffff): 3.68:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #d54401 (4.51:1); AA: background → #1c1c1c (4.63:1); AAA: text → #9d3201 (7.27:1)
- On black (#000000): 5.7:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #fe631b (7.01:1)

## Brands using this color

- **Replit** — secondary #ec4e02 (Δ 0.584) — https://brandsweets.com/colors/brands/replit
- **Figma** — primary #f24e1e (Δ 1.154) — https://brandsweets.com/colors/brands/figma
- **Figma** — logoRed #f24e1e (Δ 1.154) — https://brandsweets.com/colors/brands/figma
- **Cursor** — primary #f54e00 (Δ 1.265) — https://brandsweets.com/colors/brands/cursor-com
- **Cursor** — secondary #f54e00 (Δ 1.265) — https://brandsweets.com/colors/brands/cursor-com

## Curated palettes containing it

- **Launch Orange** (bold, warm, vivid, modern) — #ea580c, #1c1917, #0891b2, #ffffff — Orange is the rarest SaaS primary, which is exactly why it stands out on a pricing page; cyan keeps it from feeling like a hardware store. — tool: https://brandsweets.com/palettes/new/ea580c-1c1917-0891b2-ffffff — collection: https://brandsweets.com/palettes/bold

## 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/ef4c01-c4ad9c-62cbb9-2d2a1f-f1e9eb?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: "#ef4c01" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.