# #bfc819

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

## Values

- Hex: `#bfc819`
- RGB: rgb(191, 200, 25)
- HSL: hsl(63, 78%, 44%)
- OKLCH: oklch(0.799 0.174 113)
- Relative luminance: 0.5246
- Nearest named color: Celery (#b4c04c, Δ 4.107) — https://brandsweets.com/colors/celery
- Moods: vivid
- Page: https://brandsweets.com/colors/bfc819

## Tints & shades

- Tints (toward white): #d5de1b, #dde633, #e1e949, #e5ec65, #e9ef7b, #edf292, #f1f5ad, #f5f8c4, #fafbdf, #fdfef6
- Shades (toward black): #aeb616, #9ca314, #8b9112, #7a7f10, #686d0d, #575b0b, #454909, #343607, #232404, #111202

## Harmonies

- Complementary: #2119c8
- Analogous: #c87919, #67c819
- Triadic: #19bfc8, #c819bf
- Split-complementary: #1967c8, #7919c8
- Tetradic: #19c879, #2119c8, #c81967

## Colors that go with #bfc819

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 #bfc819: 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), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #bfc819: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), NBA (https://brandsweets.com/colors/brands/nba-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #bfc819 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Blue** #0000ff [pool] — 4 real palettes, including Binance's brand system and Minecraft's brand system put Blue beside #bfc819, as the accent. Seen in: Binance (https://brandsweets.com/colors/brands/binance-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Bumble (https://brandsweets.com/colors/brands/bumble-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #bfc819 in 7 real palettes, including Wise's brand system and Tabloid, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Diner (https://brandsweets.com/palettes/vivid#diner), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #bfc819: 9 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 #bfc819: 6 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), Miro (https://brandsweets.com/colors/brands/miro-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com). — https://brandsweets.com/colors/dodgerblue
- **Gold** #ffd700 [pool] — Gold shows up next to #bfc819 in 4 real palettes, including Binance's brand system and Paddle's brand system, as the lead colour. Seen in: Binance (https://brandsweets.com/colors/brands/binance-com), Paddle (https://brandsweets.com/colors/brands/paddle-com), Ikea (https://brandsweets.com/colors/brands/ikea-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com). — https://brandsweets.com/colors/gold

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

- On white (#ffffff): 1.83:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #757b0f (4.57:1); AA: background → #4d4d4d (4.63:1); AAA: text → #575b0b (7.23:1); AAA: background → #303030 (7.22:1)
- On black (#000000): 11.49:1 — 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/bfc819-b9bea2-4e8ddf-262d1f-f1eee9?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: "#bfc819" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.