# #efaa1f

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

## Values

- Hex: `#efaa1f`
- RGB: rgb(239, 170, 31)
- HSL: hsl(40, 87%, 53%)
- OKLCH: oklch(0.784 0.157 78)
- Relative luminance: 0.472
- Nearest named color: Artisans Gold (#f2ab46, Δ 2.279) — https://brandsweets.com/colors/artisans-gold
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/efaa1f

## Tints & shades

- Tints (toward white): #f1b337, #f2ba4a, #f4c362, #f5ca75, #f7d48d, #f8dba0, #fae4b7, #fbebcb, #fdf4e2, #fefbf5
- Shades (toward black): #e59e10, #cd8d0e, #b57d0d, #9d6d0b, #8a5f0a, #724f08, #5b3f06, #432e05, #2b1e03, #130d01

## Harmonies

- Complementary: #1f64ef
- Analogous: #ef421f, #cdef1f
- Triadic: #1fefaa, #aa1fef
- Split-complementary: #1fcdef, #421fef
- Tetradic: #1fef42, #1f64ef, #ef1fcd

## Colors that go with #efaa1f

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 #efaa1f: 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), Disney (https://brandsweets.com/colors/brands/disney-com), Amazon (https://brandsweets.com/colors/brands/amazon-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: complementary] — Deep Sky Blue sits directly opposite #efaa1f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Learning App (https://brandsweets.com/palettes/playful#learning-app), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/deepskyblue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #efaa1f: 4 real palettes, including Open House and Coastal, as the supporting colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Coastal (https://brandsweets.com/palettes/cool#coastal), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Forest Floor and Midnight Luxe put Champagne beside #efaa1f, 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), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #efaa1f: 6 real palettes, including Gopro's brand system and Mastodon hosted on mastodon.social's brand system, as the supporting colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #efaa1f in 8 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), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Burger King (https://brandsweets.com/colors/brands/bk-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #efaa1f: 10 real palettes, including Gopro's brand system and Open House, as the lead colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Open House (https://brandsweets.com/palettes/clean#open-house), Campus (https://brandsweets.com/palettes/friendly#campus), Amazon (https://brandsweets.com/colors/brands/amazon-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #efaa1f: 5 real palettes, including PostHog's brand system and Heatwave, as the lead colour. Seen in: PostHog (https://brandsweets.com/colors/brands/posthog-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Google (https://brandsweets.com/colors/brands/google-com), Liquid Death (https://brandsweets.com/colors/brands/liquiddeath-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 2.01:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9d6d0b (4.54:1); AA: background → #474747 (4.62:1); AAA: text → #775208 (7.01:1); AAA: background → #2b2b2b (7.04:1)
- On black (#000000): 10.44:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Gopro** — accent #f4a602 (Δ 1.13) — https://brandsweets.com/colors/brands/gopro-com
- **PostHog** — accent #f7a501 (Δ 1.575) — https://brandsweets.com/colors/brands/posthog-com

## Curated palettes containing it

- **Farmers Market** (warm, friendly, vivid) — #d9480f, #5c7c2f, #f2b134, #fffbf0, #2b1d0e — Tomato, leaf and honey — the three colors of a produce stand, warm enough to make anything look fresh. — tool: https://brandsweets.com/palettes/new/d9480f-5c7c2f-f2b134-fffbf0-2b1d0e — collection: https://brandsweets.com/palettes/warm

## 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/efaa1f-c4bb9c-62b8cb-2c2d1f-f1ebe9?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: "#efaa1f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.