# #b9cd04

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

## Values

- Hex: `#b9cd04`
- RGB: rgb(185, 205, 4)
- HSL: hsl(66, 96%, 41%)
- OKLCH: oklch(0.805 0.184 116.6)
- Relative luminance: 0.5399
- Nearest named color: yellowgreen (#9acd32, Δ 3.8) — https://brandsweets.com/colors/yellowgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/b9cd04

## Tints & shades

- Tints (toward white): #d4eb05, #e3fa0f, #e6fb2d, #eafb4b, #edfc69, #f0fc82, #f4fda0, #f7febe, #fafed7, #fefff5
- Shades (toward black): #a7b904, #99aa03, #879603, #758203, #687302, #565f02, #444b02, #323701, #242801, #121400

## Harmonies

- Complementary: #1804cd
- Analogous: #cd7d04, #54cd04
- Triadic: #04b9cd, #cd04b9
- Split-complementary: #0454cd, #7d04cd
- Tetradic: #04cd7d, #1804cd, #cd0454

## Colors that go with #b9cd04

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #b9cd04: 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 #b9cd04 — 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), Learning App (https://brandsweets.com/palettes/playful#learning-app), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #b9cd04: 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), Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #b9cd04 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), Lay's (https://brandsweets.com/colors/brands/lays-com), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b9cd04: 8 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), LEGO (https://brandsweets.com/colors/brands/lego-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #b9cd04: 4 real palettes, including Google's brand system and Miro's brand system, as the lead colour. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Miro (https://brandsweets.com/colors/brands/miro-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/dodgerblue
- **Gold** #ffd700 [pool] — Gold shows up next to #b9cd04 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
- **Red** #ff0000 [pool] — Red is paired with #b9cd04 in 5 real palettes, including Wise's brand system and Wired's brand system, as the lead colour. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Wired (https://brandsweets.com/colors/brands/wired-com), Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Paddle (https://brandsweets.com/colors/brands/paddle-com). — https://brandsweets.com/colors/red

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

- On white (#ffffff): 1.78:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #717d03 (4.53:1); AA: background → #4f4f4f (4.6:1); AAA: text → #515a02 (7.46:1); AAA: background → #333333 (7.1:1)
- On black (#000000): 11.8:1 — 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/b9cd04-b8bea2-4e86df-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: "#b9cd04" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.