Color

#bcb529

#bcb529
hex#bcb529
rgbrgb(188, 181, 41)
hslhsl(57, 64%, 45%)
oklchoklch(0.756 0.15 106.5)
Closest name: Celery (#b4c04c)Relative luminance 0.439

Colors that go with #bcb529

Charcoal, Lilac and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#2931bc

#bc6b29 · #7abc29

#29bcb5 · #b529bc

Split-complementary

Open in tool →

#297abc · #6b29bc

#29bc6b · #2931bc · #bc297a

Contrast

#bcb529 as textRatioAAAA largeAAAFix
Aaon white
2.15:1failfailfail
  • AA: use #7d791c as the text (4.54:1)
  • AAA: use #5c5814 as the text (7.34:1)
  • AA: or shift the background to #424242 (4.68:1)
  • AAA: or shift the background to #262626 (7.05:1)
Aaon black
9.78:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #bcb529 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#bcb529 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #bcb529
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #bcb529 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bcb529-bcbea2-4e9bdf-282d1f-f1ede9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md