Color

#a3e151

#a3e151
hex#a3e151
rgbrgb(163, 225, 81)
hslhsl(86, 71%, 60%)
oklchoklch(0.84 0.184 129.6)
Closest name: Conifer (#b1dd52)Relative luminance 0.6223

Colors that go with #a3e151

Blue, Crimson 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 →

#8f51e1

#e1d851 · #5ae151

#51a3e1 · #e151a3

Split-complementary

Open in tool →

#515ae1 · #d851e1

#51e1d8 · #8f51e1 · #e1515a

Contrast

#a3e151 as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #548316 as the text (4.53:1)
  • AAA: use #3d6010 as the text (7.29:1)
  • AA: or shift the background to #575757 (4.63:1)
  • AAA: or shift the background to #3b3b3b (7.17:1)
Aaon black
13.45:1passpasspassPasses 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 #a3e151 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 #a3e151
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 #a3e151 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3e151-afbea2-4e56df-212d1f-f1f1e9?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