# #ef9f1f

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

## Values

- Hex: `#ef9f1f`
- RGB: rgb(239, 159, 31)
- HSL: hsl(37, 87%, 53%)
- OKLCH: oklch(0.764 0.157 71.6)
- Relative luminance: 0.4325
- Nearest named color: Artisans Gold (#f2ab46, Δ 3.204) — https://brandsweets.com/colors/artisans-gold
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef9f1f

## Tints & shades

- Tints (toward white): #f1aa37, #f2b24a, #f4bc62, #f5c475, #f7ce8d, #f8d6a0, #fae1b7, #fbe9cb, #fdf3e2, #fefbf5
- Shades (toward black): #e59310, #cd840e, #b5750d, #9d650b, #8a590a, #724a08, #5b3a06, #432b05, #2b1c03, #130c01

## Harmonies

- Complementary: #1f6fef
- Analogous: #ef371f, #d7ef1f
- Triadic: #1fef9f, #9f1fef
- Split-complementary: #1fd7ef, #371fef
- Tetradic: #1fef37, #1f6fef, #ef1fd7

## Colors that go with #ef9f1f

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 #ef9f1f: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Amazon (https://brandsweets.com/colors/brands/amazon-com), Disney (https://brandsweets.com/colors/brands/disney-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: complementary] — Deep Sky Blue sits directly opposite #ef9f1f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Elastic (https://brandsweets.com/colors/brands/elastic-co), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/deepskyblue
- **Blue** #0000ff [pool] — 4 real palettes, including Binance's brand system and League of Legends's brand system put Blue beside #ef9f1f, as the accent. Seen in: Binance (https://brandsweets.com/colors/brands/binance-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Lexus (https://brandsweets.com/colors/brands/lexus-com). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 6 real palettes, including Forest Floor and Midnight Luxe put Champagne beside #ef9f1f, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #ef9f1f: 6 real palettes, including Gopro's brand system and Ahrefs's brand system, as the supporting colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #ef9f1f in 7 real palettes, including Tequila Sunrise and Retro Pop, as the lead colour. Seen in: Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Burger King (https://brandsweets.com/colors/brands/bk-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #ef9f1f in 5 real palettes, including Farmers Market and Forest Floor, as the supporting colour. Seen in: Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ef9f1f: 11 real palettes, including Campus and Gopro's brand system, as the lead colour. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Gopro (https://brandsweets.com/colors/brands/gopro-com), Open House (https://brandsweets.com/palettes/clean#open-house), Amazon (https://brandsweets.com/colors/brands/amazon-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 2.18:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a2680b (4.64:1); AA: background → #424242 (4.62:1); AAA: text → #774d08 (7.37:1); AAA: background → #242424 (7.13:1)
- On black (#000000): 9.65:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Graphite** (technical, muted, dark, modern) — #a1a1aa, #71717a, #f59e0b, #18181b, #f4f4f5 — A greyscale system with a single amber — the accent does all the work, so allow one per screen. — tool: https://brandsweets.com/palettes/new/a1a1aa-71717a-f59e0b-18181b-f4f4f5 — collection: https://brandsweets.com/palettes/technical
- **Mint Modern** (modern, clean, friendly) — #10b981, #134e4a, #f59e0b, #ffffff, #10231b — Emerald as a primary rather than a success color, anchored by deep teal text — fresh, friendly, and fintech-adjacent. — tool: https://brandsweets.com/palettes/new/10b981-134e4a-f59e0b-ffffff-10231b — collection: https://brandsweets.com/palettes/modern
- **Campus** (friendly, cool, clean) — #1d4ed8, #64748b, #f59e0b, #ffffff, #1e293b — Institutional blue with a highlighter-amber accent — trustworthy for parents, lively enough for students. — tool: https://brandsweets.com/palettes/new/1d4ed8-64748b-f59e0b-ffffff-1e293b — collection: https://brandsweets.com/palettes/friendly

## 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/ef9f1f-c4b99c-62bdcb-2c2d1f-f1eae9?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: "#ef9f1f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.