Color

#b9bf45

#b9bf45
hex#b9bf45
rgbrgb(185, 191, 69)
hslhsl(63, 49%, 51%)
oklchoklch(0.777 0.143 112)
Closest name: Celery (#b4c04c)Relative luminance 0.4801

Colors that go with #b9bf45

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 →

#4b45bf

#bf8845 · #7cbf45

#45b9bf · #bf45b9

Split-complementary

Open in tool →

#457cbf · #8845bf

#45bf88 · #4b45bf · #bf457c

Contrast

#b9bf45 as textRatioAAAA largeAAAFix
Aaon white
1.98:1failfailfail
  • AA: use #767a2a as the text (4.58:1)
  • AAA: use #585b1f as the text (7.16:1)
  • AA: or shift the background to #474747 (4.69:1)
  • AAA: or shift the background to #2b2b2b (7.15:1)
Aaon black
10.6:1passpasspassPasses 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 #b9bf45 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 #b9bf45
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 #b9bf45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b9bf45-b9bea2-4e8ddf-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