Color

#a9bd28

#a9bd28
hex#a9bd28
rgbrgb(169, 189, 40)
hslhsl(68, 65%, 45%)
oklchoklch(0.758 0.164 117.4)
Closest name: Citrus (#9fb70a)Relative luminance 0.4498

Colors that go with #a9bd28

Blue, Charcoal and Cornflower 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 →

#3c28bd

#bd8728 · #5fbd28

#28a9bd · #bd28a9

Split-complementary

Open in tool →

#285fbd · #8728bd

#28bd87 · #3c28bd · #bd285f

Contrast

#a9bd28 as textRatioAAAA largeAAAFix
Aaon white
2.1:1failfailfail
  • AA: use #6d7a1a as the text (4.72:1)
  • AAA: use #535d14 as the text (7.13:1)
  • AA: or shift the background to #454545 (4.56:1)
  • AAA: or shift the background to #262626 (7.2:1)
Aaon black
10:1passpasspassPasses 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 #a9bd28 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 #a9bd28
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 #a9bd28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a9bd28-b7bea2-4e81df-252d1f-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