Color

#b4cf07

#b4cf07
hex#b4cf07
rgbrgb(180, 207, 7)
hslhsl(68, 93%, 42%)
oklchoklch(0.806 0.188 118.8)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5434

Colors that go with #b4cf07

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 →

#2207cf

#cf8607 · #51cf07

#07b4cf · #cf07b4

Split-complementary

Open in tool →

#0751cf · #8607cf

#07cf86 · #2207cf · #cf0751

Contrast

#b4cf07 as textRatioAAAA largeAAAFix
Aaon white
1.77:1failfailfail
  • AA: use #6b7b04 as the text (4.71:1)
  • AAA: use #515e03 as the text (7.11:1)
  • AA: or shift the background to #4f4f4f (4.63:1)
  • AAA: or shift the background to #333333 (7.14:1)
Aaon black
11.87:1passpasspassPasses 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 #b4cf07 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 #b4cf07
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 #b4cf07 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b4cf07-b7bea2-4e81df-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