Color

#a1d355

#a1d355
hex#a1d355
rgbrgb(161, 211, 85)
hslhsl(84, 59%, 58%)
oklchoklch(0.806 0.164 127.9)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5482

Colors that go with #a1d355

Charcoal, Plum and Deep Sky 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 →

#8755d3

#d3c655 · #61d355

#55a1d3 · #d355a1

Split-complementary

Open in tool →

#5561d3 · #c655d3

#55d3c6 · #8755d3 · #d35561

Contrast

#a1d355 as textRatioAAAA largeAAAFix
Aaon white
1.76:1failfailfail
  • AA: use #5b8221 as the text (4.51:1)
  • AAA: use #446119 as the text (7.07:1)
  • AA: or shift the background to #4f4f4f (4.67:1)
  • AAA: or shift the background to #333333 (7.2:1)
Aaon black
11.96:1passpasspassPasses 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 #a1d355 as the background.

Brands using this color

mcpConnect your agent — build around #a1d355
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 #a1d355 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a1d355-afbea2-4e5adf-222d1f-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