Color

#a9d355

#a9d355
hex#a9d355
rgbrgb(169, 211, 85)
hslhsl(80, 59%, 58%)
oklchoklch(0.811 0.16 125.4)
Closest name: Badass Grass (#b4da55)Relative luminance 0.5568

Colors that go with #a9d355

Charcoal, Deep Sky Blue and Plum 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 →

#7f55d3

#d3be55 · #6ad355

#55a9d3 · #d355a9

Split-complementary

Open in tool →

#556ad3 · #be55d3

#55d3be · #7f55d3 · #d3556a

Contrast

#a9d355 as textRatioAAAA largeAAAFix
Aaon white
1.73:1failfailfail
  • AA: use #5f7e20 as the text (4.68:1)
  • AAA: use #465d18 as the text (7.4:1)
  • AA: or shift the background to #525252 (4.52:1)
  • AAA: or shift the background to #333333 (7.3:1)
Aaon black
12.14:1passpasspassPasses 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 #a9d355 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 #a9d355
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 #a9d355 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a9d355-b1bea2-4e64df-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