Color

#b9b313

#b9b313
hex#b9b313
rgbrgb(185, 179, 19)
hslhsl(58, 81%, 40%)
oklchoklch(0.748 0.157 107.2)
Closest name: Citrus (#9fb70a)Relative luminance 0.426

Colors that go with #b9b313

Charcoal, Lilac 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 →

#1319b9

#b96013 · #6cb913

#13b9b3 · #b313b9

Split-complementary

Open in tool →

#136cb9 · #6013b9

#13b960 · #1319b9 · #b9136c

Contrast

#b9b313 as textRatioAAAA largeAAAFix
Aaon white
2.21:1failfailfail
  • AA: use #7d790d as the text (4.55:1)
  • AAA: use #5c5a0a as the text (7.19:1)
  • AA: or shift the background to #424242 (4.56:1)
  • AAA: or shift the background to #242424 (7.04:1)
Aaon black
9.52:1passpasspassPasses 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 #b9b313 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

#b9b313 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b9b313
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 #b9b313 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b9b313-bcbea2-4e99df-282d1f-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