Color

#b3ca02

#b3ca02
hex#b3ca02
rgbrgb(179, 202, 2)
hslhsl(67, 98%, 40%)
oklchoklch(0.794 0.184 117.7)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5183

Colors that go with #b3ca02

Cornflower Blue, Deep Sky Blue and Crimson 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 →

#1902ca

#ca7d02 · #4fca02

#02b3ca · #ca02b3

Split-complementary

Open in tool →

#024fca · #7d02ca

#02ca7d · #1902ca · #ca024f

Contrast

#b3ca02 as textRatioAAAA largeAAAFix
Aaon white
1.85:1failfailfail
  • AA: use #6b7901 as the text (4.82:1)
  • AAA: use #505b01 as the text (7.4:1)
  • AA: or shift the background to #4d4d4d (4.58:1)
  • AAA: or shift the background to #303030 (7.14:1)
Aaon black
11.37:1passpasspassPasses 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 #b3ca02 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 #b3ca02
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 #b3ca02 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3ca02-b8bea2-4e83df-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