Color

#b3bc0b

#b3bc0b
hex#b3bc0b
rgbrgb(179, 188, 11)
hslhsl(63, 89%, 39%)
oklchoklch(0.762 0.169 113.2)
Closest name: Celery (#b4c04c)Relative luminance 0.4557

Colors that go with #b3bc0b

Cornflower Blue, Deep Sky Blue and Charcoal 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 →

#140bbc

#bc6c0b · #5bbc0b

#0bb3bc · #bc0bb3

Split-complementary

Open in tool →

#0b5bbc · #6c0bbc

#0bbc6c · #140bbc · #bc0b5b

Contrast

#b3bc0b as textRatioAAAA largeAAAFix
Aaon white
2.08:1failfailfail
  • AA: use #737807 as the text (4.75:1)
  • AAA: use #575c05 as the text (7.15:1)
  • AA: or shift the background to #454545 (4.62:1)
  • AAA: or shift the background to #292929 (7.01:1)
Aaon black
10.11:1passpasspassPasses 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 #b3bc0b 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 #b3bc0b
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 #b3bc0b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3bc0b-b9bea2-4e8ddf-262d1f-f1eee9?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