Color

#a3dd36

#a3dd36
hex#a3dd36
rgbrgb(163, 221, 54)
hslhsl(81, 71%, 54%)
oklchoklch(0.828 0.196 127.4)
Closest name: Conifer (#b1dd52)Relative luminance 0.5977

Colors that go with #a3dd36

Violet, Blue 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 →

#7136dd

#ddc436 · #4fdd36

#36a3dd · #dd36a3

Split-complementary

Open in tool →

#364fdd · #c436dd

#36ddc4 · #7136dd · #dd364f

Contrast

#a3dd36 as textRatioAAAA largeAAAFix
Aaon white
1.62:1failfailfail
  • AA: use #5a7e15 as the text (4.74:1)
  • AAA: use #446010 as the text (7.18:1)
  • AA: or shift the background to #545454 (4.67:1)
  • AAA: or shift the background to #383838 (7.23:1)
Aaon black
12.95:1passpasspassPasses 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 #a3dd36 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 #a3dd36
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 #a3dd36 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3dd36-b1bea2-4e62df-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