# #b4c729

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

## Values

- Hex: `#b4c729`
- RGB: rgb(180, 199, 41)
- HSL: hsl(67, 66%, 47%)
- OKLCH: oklch(0.789 0.17 116.7)
- Relative luminance: 0.5071
- Nearest named color: Celery (#b4c04c, Δ 3.333) — https://brandsweets.com/colors/celery
- Moods: vivid
- Page: https://brandsweets.com/colors/b4c729

## Tints & shades

- Tints (toward white): #c3d534, #c9da49, #cfde5e, #d5e273, #dde88d, #e3eca2, #eaf0b7, #f0f5cc, #f6f9e1, #fcfdf7
- Shades (toward black): #a5b625, #92a121, #83901d, #737f1a, #646e17, #515912, #41480f, #32370b, #1f2207, #0f1103

## Harmonies

- Complementary: #3b29c7
- Analogous: #c78a29, #65c729
- Triadic: #29b4c7, #c729b4
- Split-complementary: #2965c7, #8a29c7
- Tetradic: #29c78a, #3b29c7, #c72965

## Colors that go with #b4c729

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 #b4c729: 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 #b4c729 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), 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 #b4c729: 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). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #b4c729 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
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #b4c729 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), Miro (https://brandsweets.com/colors/brands/miro-com). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b4c729: 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), Open House (https://brandsweets.com/palettes/clean#open-house), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #b4c729: 4 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), Liquid Death (https://brandsweets.com/colors/brands/liquiddeath-com), Miro (https://brandsweets.com/colors/brands/miro-com). — https://brandsweets.com/colors/dodgerblue
- **Red** #ff0000 [pool] — Red is paired with #b4c729 in 5 real palettes, including Wired's brand system and Wise's brand system, as the supporting colour. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), Wise (https://brandsweets.com/colors/brands/wise-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): 1.88:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6f7b19 (4.64:1); AA: background → #4a4a4a (4.7:1); AAA: text → #545d13 (7.11:1); AAA: background → #303030 (7:1)
- On black (#000000): 11.14:1 — 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/b4c729-b8bea2-4e83df-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: "#b4c729" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.