# #bcbf18

A color — vivid. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#bcbf18`
- RGB: rgb(188, 191, 24)
- HSL: hsl(61, 78%, 42%)
- OKLCH: oklch(0.777 0.166 110.9)
- Relative luminance: 0.4802
- Nearest named color: Celery (#b4c04c, Δ 2.78) — https://brandsweets.com/colors/celery
- Moods: vivid
- Page: https://brandsweets.com/colors/bcbf18

## Tints & shades

- Tints (toward white): #d7da1b, #e2e52a, #e5e845, #e8eb5c, #ecee77, #f0f292, #f3f4a9, #f7f8c4, #fafbdb, #fefef6
- Shades (toward black): #aaac15, #989a13, #8b8d11, #797b0f, #67680d, #55560b, #434408, #363607, #242404, #121202

## Harmonies

- Complementary: #1a18bf
- Analogous: #bf6e18, #68bf18
- Triadic: #18bcbf, #bf18bc
- Split-complementary: #1868bf, #6e18bf
- Tetradic: #18bf6e, #1a18bf, #bf1868

## Colors that go with #bcbf18

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 #bcbf18: 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), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #bcbf18: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #bcbf18 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), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com). — https://brandsweets.com/colors/lilac
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Midnight Luxe and Forest Floor put Champagne beside #bcbf18, 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), 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 #bcbf18: 5 real palettes, including Ahrefs's brand system and Blueprint, as the accent. Seen in: 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), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #bcbf18 in 7 real palettes, including Tabloid and Wise's brand system, as the lead colour. Seen in: Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Wise (https://brandsweets.com/colors/brands/wise-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #bcbf18 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), 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 #bcbf18: 8 real palettes, including Wikipedia's brand system and Open House, as the supporting colour. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Open House (https://brandsweets.com/palettes/clean#open-house), Walmart (https://brandsweets.com/colors/brands/walmart-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 1.98:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #797b0f (4.51:1); AA: background → #474747 (4.69:1); AAA: text → #595b0b (7.18:1); AAA: background → #2b2b2b (7.15:1)
- On black (#000000): 10.6:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/bcbf18-babea2-4e92df-272d1f-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: "#bcbf18" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.