Color

#b3bf31

#b3bf31
hex#b3bf31
rgbrgb(179, 191, 49)
hslhsl(65, 59%, 47%)
oklchoklch(0.771 0.158 114.4)
Closest name: Celery (#b4c04c)Relative luminance 0.4707

Colors that go with #b3bf31

Cornflower Blue, Deep Sky 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 →

#3d31bf

#bf8431 · #6cbf31

#31b3bf · #bf31b3

Split-complementary

Open in tool →

#316cbf · #8431bf

#31bf84 · #3d31bf · #bf316c

Contrast

#b3bf31 as textRatioAAAA largeAAAFix
Aaon white
2.02:1failfailfail
  • AA: use #727a1f as the text (4.65:1)
  • AAA: use #575d18 as the text (7.04:1)
  • AA: or shift the background to #474747 (4.61:1)
  • AAA: or shift the background to #2b2b2b (7.02:1)
Aaon black
10.41:1passpasspassPasses 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 #b3bf31 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 #b3bf31
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 #b3bf31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3bf31-b8bea2-4e88df-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