# #f3bc39

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

## Values

- Hex: `#f3bc39`
- RGB: rgb(243, 188, 57)
- HSL: hsl(42, 89%, 59%)
- OKLCH: oklch(0.824 0.152 84.4)
- Relative luminance: 0.5532
- Nearest named color: Baklava (#efb435, Δ 2.101) — https://brandsweets.com/colors/baklava
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/f3bc39

## Tints & shades

- Tints (toward white): #f5c24d, #f6c960, #f7cf73, #f8d687, #f9dd9a, #fae1a8, #fbe8bc, #fcefcf, #fdf5e2, #fefcf5
- Shades (toward black): #f2b321, #e7a60d, #cf950c, #b2800a, #9a6f09, #7d5a07, #654906, #483404, #302303, #130e01

## Harmonies

- Complementary: #3971f3
- Analogous: #f35f39, #cef339
- Triadic: #39f3bc, #bc39f3
- Split-complementary: #39cef3, #5f39f3
- Tetradic: #39f35f, #3971f3, #f339ce

## Colors that go with #f3bc39

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 #f3bc39: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Coastal (https://brandsweets.com/palettes/cool#coastal), Disney (https://brandsweets.com/colors/brands/disney-com), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: complementary] — Cornflower Blue sits directly opposite #f3bc39 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #f3bc39: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Coffee Bar and Midnight Luxe put Champagne beside #f3bc39, as that palette's text colour. Seen in: Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Crimson** #dc143c [pool] — Crimson is paired with #f3bc39 in 7 real palettes, including McDonald's's brand system and Wells Fargo's brand system, as the supporting colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #f3bc39 in 4 real palettes, including Farmers Market and Undergrowth, as the supporting colour. Seen in: Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Miro (https://brandsweets.com/colors/brands/miro-com), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #f3bc39: 11 real palettes, including Wikipedia's brand system and Walmart's brand system, as the supporting colour. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Walmart (https://brandsweets.com/colors/brands/walmart-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #f3bc39: 7 real palettes, including Google's brand system and Heatwave, as the lead colour. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), PostHog (https://brandsweets.com/colors/brands/posthog-com), Miro (https://brandsweets.com/colors/brands/miro-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 1.74:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9a6f09 (4.51:1); AA: background → #4f4f4f (4.71:1); AAA: text → #745307 (7.04:1); AAA: background → #333333 (7.26:1)
- On black (#000000): 12.06:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Binance** — secondary #f0b90b (Δ 1.781) — https://brandsweets.com/colors/brands/binance-com
- **Google** — accent #fbbc05 (Δ 1.898) — https://brandsweets.com/colors/brands/google-com
- **Wikipedia** — accent #f0bc00 (Δ 1.96) — https://brandsweets.com/colors/brands/wikipedia-org

## Curated palettes containing it

- **Blueprint** (technical, cool, modern, dark) — #38bdf8, #818cf8, #fbbf24, #0f172a, #e2e8f0 — Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'. — tool: https://brandsweets.com/palettes/new/38bdf8-818cf8-fbbf24-0f172a-e2e8f0 — collection: https://brandsweets.com/palettes/technical
- **Trailhead** (warm, bold, vivid) — #c2410c, #365314, #fbbf24, #f4efe6, #1f1a12 — Rust, pine and sun — high-visibility earth tones that read at a distance and on a trail sign. — tool: https://brandsweets.com/palettes/new/c2410c-365314-fbbf24-f4efe6-1f1a12 — collection: https://brandsweets.com/palettes/warm
- **Ember** (bold, dark, warm) — #f25f29, #b03a2e, #f2c14e, #14100e, #f8ede3 — Flame orange on charcoal — the sports and energy palette; one accent yellow for stats and highlights. — tool: https://brandsweets.com/palettes/new/f25f29-b03a2e-f2c14e-14100e-f8ede3 — collection: https://brandsweets.com/palettes/bold
- **Maple** (autumn, warm, vivid) — #c1272d, #e8730c, #f2b705, #fff8ee, #2a1a0a — The three colours a maple goes through in October, on a warm white — loud, seasonal, and readable because the type is near-black. — tool: https://brandsweets.com/palettes/new/c1272d-e8730c-f2b705-fff8ee-2a1a0a — collection: https://brandsweets.com/palettes/autumn

## 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/f3bc39-c4bc9c-62b4cb-2b2d1f-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: "#f3bc39" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.