# #bdc309

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

## Values

- Hex: `#bdc309`
- RGB: rgb(189, 195, 9)
- HSL: hsl(62, 91%, 40%)
- OKLCH: oklch(0.786 0.173 112)
- Relative luminance: 0.4987
- Nearest named color: Celery (#b4c04c, Δ 3.491) — https://brandsweets.com/colors/celery
- Moods: vivid
- Page: https://brandsweets.com/colors/bdc309

## Tints & shades

- Tints (toward white): #d9e00b, #edf415, #eef52e, #f1f74b, #f3f868, #f5f985, #f8fba2, #fafcbb, #fcfdd8, #fefff5
- Shades (toward black): #aaaf08, #9ca108, #898d07, #7b7f06, #686b05, #555804, #474903, #343603, #262702, #131301

## Harmonies

- Complementary: #0f09c3
- Analogous: #c36c09, #60c309
- Triadic: #09bdc3, #c309bd
- Split-complementary: #0960c3, #6c09c3
- Tetradic: #09c36c, #0f09c3, #c30960

## Colors that go with #bdc309

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

- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #bdc309: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #bdc309: 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
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #bdc309: 5 real palettes, including Ahrefs's brand system and Blueprint, as the accent. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #bdc309 in 7 real palettes, including Tabloid and Wise's brand system, as the lead colour. Seen in: Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Wise (https://brandsweets.com/colors/brands/wise-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #bdc309 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), Miro (https://brandsweets.com/colors/brands/miro-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #bdc309: 8 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
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #bdc309: 5 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), PostHog (https://brandsweets.com/colors/brands/posthog-com). — https://brandsweets.com/colors/dodgerblue
- **Red** #ff0000 [pool] — Red is paired with #bdc309 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): 1.91:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #767a06 (4.61:1); AA: background → #4a4a4a (4.63:1); AAA: text → #555804 (7.54:1); AAA: background → #2e2e2e (7.1:1)
- On black (#000000): 10.97:1 — 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/bdc309-babea2-4e8fdf-272d1f-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: "#bdc309" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.