# #b2bf03

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

## Values

- Hex: `#b2bf03`
- RGB: rgb(178, 191, 3)
- HSL: hsl(64, 97%, 38%)
- OKLCH: oklch(0.768 0.173 114.6)
- Relative luminance: 0.4673
- Nearest named color: Celery (#b4c04c, Δ 3.373) — https://brandsweets.com/colors/celery
- Moods: vivid
- Page: https://brandsweets.com/colors/b2bf03

## Tints & shades

- Tints (toward white): #cfdd03, #ebfb04, #edfc22, #f0fc40, #f2fd5e, #f4fd7c, #f7fd9b, #f9feb9, #fcfed7, #fefff5
- Shades (toward black): #a4b003, #929c02, #838d02, #717902, #636902, #545a01, #424601, #343701, #212301, #131400

## Harmonies

- Complementary: #0f03bf
- Analogous: #bf6d03, #54bf03
- Triadic: #03b2bf, #bf03b2
- Split-complementary: #0354bf, #6d03bf
- Tetradic: #03bf6d, #0f03bf, #bf0354

## Colors that go with #b2bf03

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 #b2bf03: 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), Gopro (https://brandsweets.com/colors/brands/gopro-com), 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 #b2bf03 in 4 real palettes, including Forest Floor and Undergrowth, as the supporting colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #b2bf03 — 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). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b2bf03: 5 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #b2bf03 in 4 real palettes, including Disney's brand system and Brilliant's brand system, as the lead colour. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Walmart (https://brandsweets.com/colors/brands/walmart-com), Chevrolet (https://brandsweets.com/colors/brands/chevrolet-com). — https://brandsweets.com/colors/royalblue
- **Rust** #b7410e [pool] — Rust shows up next to #b2bf03 in 4 real palettes, including Noir Beauty and Trailhead, as the accent. Seen in: Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Harvest (https://brandsweets.com/palettes/warm#harvest), Garnet (https://brandsweets.com/palettes/warm#garnet). — https://brandsweets.com/colors/rust
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #b2bf03: 4 real palettes, including Scale AI's brand system and Polaroid, as the supporting colour. Seen in: Scale AI (https://brandsweets.com/colors/brands/scale-com), Polaroid (https://brandsweets.com/palettes/light#polaroid), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/sage-green
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #b2bf03: 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). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 2.03:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #717902 (4.73:1); AA: background → #474747 (4.58:1); AAA: text → #545a01 (7.39:1); AAA: background → #292929 (7.17:1)
- On black (#000000): 10.35:1 — 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/b2bf03-b9bea2-4e8adf-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: "#b2bf03" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.