Color

#b4cb34

#b4cb34
hex#b4cb34
rgbrgb(180, 203, 52)
hslhsl(69, 59%, 50%)
oklchoklch(0.798 0.169 118.1)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5266

Colors that go with #b4cb34

Charcoal, Cornflower Blue and Deep Sky 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 →

#4b34cb

#cb9634 · #69cb34

#34b4cb · #cb34b4

Split-complementary

Open in tool →

#3469cb · #9634cb

#34cb96 · #4b34cb · #cb3469

Contrast

#b4cb34 as textRatioAAAA largeAAAFix
Aaon white
1.82:1failfailfail
  • AA: use #6c7a1f as the text (4.73:1)
  • AAA: use #535d18 as the text (7.13:1)
  • AA: or shift the background to #4d4d4d (4.64:1)
  • AAA: or shift the background to #303030 (7.25:1)
Aaon black
11.53:1passpasspassPasses 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 #b4cb34 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 #b4cb34
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 #b4cb34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4cb34-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