# #bfb503

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

## Values

- Hex: `#bfb503`
- RGB: rgb(191, 181, 3)
- HSL: hsl(57, 97%, 38%)
- OKLCH: oklch(0.757 0.161 105.6)
- Relative luminance: 0.4413
- Nearest named color: Celery (#b4c04c, Δ 3.644) — https://brandsweets.com/colors/celery
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/bfb503

## Tints & shades

- Tints (toward white): #ddd203, #fbef04, #fcf122, #fcf340, #fdf55e, #fdf77c, #fdf99b, #fefab9, #fefcd7, #fffef5
- Shades (toward black): #b0a703, #9c9402, #8d8602, #797302, #696402, #5a5601, #464301, #373501, #232101, #141300

## Harmonies

- Complementary: #030cbf
- Analogous: #bf5803, #6abf03
- Triadic: #03bfb5, #b503bf
- Split-complementary: #036abf, #5803bf
- Tetradic: #03bf58, #030cbf, #bf036a

## Colors that go with #bfb503

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 #bfb503: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Campus (https://brandsweets.com/palettes/friendly#campus), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #bfb503 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/lilac
- **Blue** #0000ff [pool] — 4 real palettes, including Binance's brand system and League of Legends's brand system put Blue beside #bfb503, as the accent. Seen in: Binance (https://brandsweets.com/colors/brands/binance-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Lexus (https://brandsweets.com/colors/brands/lexus-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #bfb503: 5 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), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #bfb503 in 4 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), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/darkolivegreen
- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #bfb503: 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). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #bfb503: 9 real palettes, including Open House and Wikipedia's brand system, as the lead colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Gopro (https://brandsweets.com/colors/brands/gopro-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #bfb503: 4 real palettes, including Liquid Death's brand system and PostHog's brand system, as the supporting colour. Seen in: Liquid Death (https://brandsweets.com/colors/brands/liquiddeath-com), PostHog (https://brandsweets.com/colors/brands/posthog-com), Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 2.14:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7e7702 (4.64:1); AA: background → #424242 (4.7:1); AAA: text → #5f5b01 (7.04:1); AAA: background → #262626 (7.08:1)
- On black (#000000): 9.83:1 — AA pass, AA-large pass, AAA pass

## 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/bfb503-bcbea2-4e9bdf-282d1f-f1ede9?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: "#bfb503" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.