# #bcb310

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

## Values

- Hex: `#bcb310`
- RGB: rgb(188, 179, 16)
- HSL: hsl(57, 84%, 40%)
- OKLCH: oklch(0.75 0.157 105.9)
- Relative luminance: 0.4297
- Nearest named color: Celery (#b4c04c, Δ 3.807) — https://brandsweets.com/colors/celery
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/bcb310

## Tints & shades

- Tints (toward white): #d8ce13, #ebe11e, #ede435, #f0e851, #f2ec6e, #f5ef8a, #f7f3a6, #f9f6bd, #fcfad9, #fefef6
- Shades (toward black): #a9a10f, #9b940d, #88820c, #7a740b, #676309, #545107, #464306, #343104, #262403, #131202

## Harmonies

- Complementary: #1019bc
- Analogous: #bc5d10, #6fbc10
- Triadic: #10bcb3, #b310bc
- Split-complementary: #106fbc, #5d10bc
- Tetradic: #10bc5d, #1019bc, #bc106f

## Colors that go with #bcb310

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 #bcb310: 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), Campus (https://brandsweets.com/palettes/friendly#campus), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #bcb310 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 #bcb310, 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
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Midnight Luxe and Forest Floor put Champagne beside #bcb310, as that palette's text colour. Seen in: 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), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/champagne
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #bcb310: 4 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 #bcb310 in 4 real palettes, including Forest Floor and Farmers Market, as the supporting colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), 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 #bcb310: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #bcb310: 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

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

- On white (#ffffff): 2.19:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7f790b (4.52:1); AA: background → #424242 (4.59:1); AAA: text → #5e5a08 (7.14:1); AAA: background → #242424 (7.09:1)
- On black (#000000): 9.59:1 — 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/bcb310-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: "#bcb310" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.