Color

#a9bf45

#a9bf45
hex#a9bf45
rgbrgb(169, 191, 69)
hslhsl(71, 49%, 51%)
oklchoklch(0.764 0.148 118.8)
Closest name: Celery (#b4c04c)Relative luminance 0.4613

Colors that go with #a9bf45

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 →

#5b45bf

#bf9845 · #6cbf45

#45a9bf · #bf45a9

Split-complementary

Open in tool →

#456cbf · #9845bf

#45bf98 · #5b45bf · #bf456c

Contrast

#a9bf45 as textRatioAAAA largeAAAFix
Aaon white
2.05:1failfailfail
  • AA: use #6e7d2b as the text (4.53:1)
  • AAA: use #505b1f as the text (7.35:1)
  • AA: or shift the background to #474747 (4.52:1)
  • AAA: or shift the background to #292929 (7.08:1)
Aaon black
10.23:1passpasspassPasses 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 #a9bf45 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 #a9bf45
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 #a9bf45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a9bf45-b6bea2-4e7adf-252d1f-f1efe9?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