Color

#b3b009

#b3b009
hex#b3b009
rgbrgb(179, 176, 9)
hslhsl(59, 90%, 37%)
oklchoklch(0.736 0.158 108.5)
Closest name: Citrus (#9fb70a)Relative luminance 0.4065

Colors that go with #b3b009

Charcoal, Cornflower Blue and 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 →

#090cb3

#b35c09 · #61b309

#09b3b0 · #b009b3

Split-complementary

Open in tool →

#0961b3 · #5c09b3

#09b35c · #090cb3 · #b30961

Contrast

#b3b009 as textRatioAAAA largeAAAFix
Aaon white
2.3:1failfailfail
  • AA: use #797706 as the text (4.71:1)
  • AAA: use #5c5b05 as the text (7.11:1)
  • AA: or shift the background to #404040 (4.51:1)
  • AAA: or shift the background to #212121 (7:1)
Aaon black
9.13:1passpasspassPasses 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 #b3b009 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#b3b009 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b3b009
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 #b3b009 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3b009-bbbea2-4e96df-272d1f-f1ede9?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