Color

#b9bb58

#b9bb58
hex#b9bb58
rgbrgb(185, 187, 88)
hslhsl(61, 42%, 54%)
oklchoklch(0.77 0.123 110)
Closest name: Celery (#b4c04c)Relative luminance 0.4656

Colors that go with #b9bb58

Charcoal, Lilac and Cadet 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.

Real palettes that use #b9bb58

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#5a58bb

#bb8b58 · #88bb58

#58b9bb · #bb58b9

Split-complementary

Open in tool →

#5888bb · #8b58bb

#58bb8b · #5a58bb · #bb5888

Contrast

#b9bb58 as textRatioAAAA largeAAAFix
Aaon white
2.04:1failfailfail
  • AA: use #767731 as the text (4.72:1)
  • AAA: use #5a5b25 as the text (7.1:1)
  • AA: or shift the background to #474747 (4.56:1)
  • AAA: or shift the background to #292929 (7.14:1)
Aaon black
10.31:1passpasspassPasses 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 #b9bb58 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 #b9bb58
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 #b9bb58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b9bb58-babea2-4e92df-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