Color

#a3d147

#a3d147
hex#a3d147
rgbrgb(163, 209, 71)
hslhsl(80, 60%, 55%)
oklchoklch(0.802 0.171 125.9)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5384

Colors that go with #a3d147

Charcoal, Deep Sky Blue and Royal 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 →

#7547d1

#d1ba47 · #5ed147

#47a3d1 · #d147a3

Split-complementary

Open in tool →

#475ed1 · #ba47d1

#47d1ba · #7547d1 · #d1475e

Contrast

#a3d147 as textRatioAAAA largeAAAFix
Aaon white
1.78:1failfailfail
  • AA: use #5f7e20 as the text (4.68:1)
  • AAA: use #465e17 as the text (7.31:1)
  • AA: or shift the background to #4f4f4f (4.59:1)
  • AAA: or shift the background to #333333 (7.08:1)
Aaon black
11.77:1passpasspassPasses 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 #a3d147 as the background.

Brands using this color

mcpConnect your agent — build around #a3d147
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 #a3d147 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3d147-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