Color

#a9d345

#a9d345
hex#a9d345
rgbrgb(169, 211, 69)
hslhsl(78, 62%, 55%)
oklchoklch(0.81 0.173 124.4)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5545

Colors that go with #a9d345

Charcoal, Deep Sky Blue 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 →

#7045d3

#d3b745 · #62d345

#45a9d3 · #d345a9

Split-complementary

Open in tool →

#4562d3 · #b745d3

#45d3b7 · #7045d3 · #d34562

Contrast

#a9d345 as textRatioAAAA largeAAAFix
Aaon white
1.74:1failfailfail
  • AA: use #63801e as the text (4.53:1)
  • AAA: use #495f16 as the text (7.16:1)
  • AA: or shift the background to #4f4f4f (4.72:1)
  • AAA: or shift the background to #333333 (7.27:1)
Aaon black
12.09:1passpasspassPasses 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 #a9d345 as the background.

Brands using this color

mcpConnect your agent — build around #a9d345
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 #a9d345 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a9d345-b2bea2-4e69df-232d1f-f1f0e9?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