Color

#b3cb2a

#b3cb2a
hex#b3cb2a
rgbrgb(179, 203, 42)
hslhsl(69, 66%, 48%)
oklchoklch(0.797 0.175 118.3)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5246

Colors that go with #b3cb2a

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.

Real palettes that use #b3cb2a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#422acb

#cb932a · #62cb2a

#2ab3cb · #cb2ab3

Split-complementary

Open in tool →

#2a62cb · #932acb

#2acb93 · #422acb · #cb2a62

Contrast

#b3cb2a as textRatioAAAA largeAAAFix
Aaon white
1.83:1failfailfail
  • AA: use #6c7b19 as the text (4.68:1)
  • AAA: use #525d13 as the text (7.16:1)
  • AA: or shift the background to #4d4d4d (4.63:1)
  • AAA: or shift the background to #303030 (7.22:1)
Aaon black
11.49:1passpasspassPasses 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 #b3cb2a 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 #b3cb2a
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 #b3cb2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3cb2a-b7bea2-4e7edf-252d1f-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