Color

#bdc021

#bdc021
hex#bdc021
rgbrgb(189, 192, 33)
hslhsl(61, 71%, 44%)
oklchoklch(0.78 0.164 110.8)
Closest name: Celery (#b4c04c)Relative luminance 0.4863

Colors that go with #bdc021

Charcoal, Deep Sky Blue and Lilac 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 →

#2321c0

#c07321 · #6ec021

#21bdc0 · #c021bd

Split-complementary

Open in tool →

#216ec0 · #7321c0

#21c073 · #2321c0 · #c0216e

Contrast

#bdc021 as textRatioAAAA largeAAAFix
Aaon white
1.96:1failfailfail
  • AA: use #787a15 as the text (4.57:1)
  • AAA: use #5a5c10 as the text (7.06:1)
  • AA: or shift the background to #4a4a4a (4.53:1)
  • AAA: or shift the background to #2b2b2b (7.23:1)
Aaon black
10.73:1passpasspassPasses 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 #bdc021 as the background.

Brands using this color

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

mcpConnect your agent — build around #bdc021
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 #bdc021 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bdc021-babea2-4e92df-272d1f-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