# #b3bb1b

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

## Values

- Hex: `#b3bb1b`
- RGB: rgb(179, 187, 27)
- HSL: hsl(63, 75%, 42%)
- OKLCH: oklch(0.761 0.164 112.8)
- Relative luminance: 0.452
- Nearest named color: Celery (#b4c04c, Δ 2.835) — https://brandsweets.com/colors/celery
- Moods: vivid
- Page: https://brandsweets.com/colors/b3bb1b

## Tints & shades

- Tints (toward white): #cdd61f, #d8e12d, #dde548, #e1e85e, #e6ec79, #ebf094, #eff3aa, #f4f7c5, #f8fadb, #fdfef6
- Shades (toward black): #a2aa18, #919816, #848a14, #737811, #62670f, #51550c, #40430a, #333608, #222405, #111203

## Harmonies

- Complementary: #231bbb
- Analogous: #bb731b, #63bb1b
- Triadic: #1bb3bb, #bb1bb3
- Split-complementary: #1b63bb, #731bbb
- Tetradic: #1bbb73, #231bbb, #bb1b63

## Colors that go with #b3bb1b

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 #b3bb1b: 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), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #b3bb1b: 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), Gopro (https://brandsweets.com/colors/brands/gopro-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), 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 #b3bb1b — 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), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Blue** #0000ff [pool] — 4 real palettes, including Minecraft's brand system and Binance's brand system put Blue beside #b3bb1b, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Binance (https://brandsweets.com/colors/brands/binance-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Lexus (https://brandsweets.com/colors/brands/lexus-com). — https://brandsweets.com/colors/blue
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #b3bb1b 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b3bb1b: 6 real palettes, including Open House and Wikipedia's brand system, as the lead colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Gopro (https://brandsweets.com/colors/brands/gopro-com), Walmart (https://brandsweets.com/colors/brands/walmart-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #b3bb1b: 4 real palettes, including Liquid Death's brand system and Google's brand system, as the supporting colour. Seen in: Liquid Death (https://brandsweets.com/colors/brands/liquiddeath-com), Google (https://brandsweets.com/colors/brands/google-com), PostHog (https://brandsweets.com/colors/brands/posthog-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/dodgerblue
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #b3bb1b in 4 real palettes, including Fireside and Pine & Birch, as the supporting colour. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/hunter-green

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

- On white (#ffffff): 2.09:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #737811 (4.75:1); AA: background → #454545 (4.58:1); AAA: text → #55590d (7.44:1); AAA: background → #262626 (7.24:1)
- On black (#000000): 10.04:1 — 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/b3bb1b-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: "#b3bb1b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.