Color

#a3c80e

#a3c80e
hex#a3c80e
rgbrgb(163, 200, 14)
hslhsl(72, 87%, 42%)
oklchoklch(0.778 0.187 122.2)
Closest name: yellowgreen (#9acd32)Relative luminance 0.4913

Colors that go with #a3c80e

Taupe, Plum and 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 →

#330ec8

#c8900e · #46c80e

#0ea3c8 · #c80ea3

Split-complementary

Open in tool →

#0e46c8 · #900ec8

#0ec890 · #330ec8 · #c80e46

Contrast

#a3c80e as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #657c09 as the text (4.73:1)
  • AAA: use #4e5f07 as the text (7.09:1)
  • AA: or shift the background to #4a4a4a (4.57:1)
  • AAA: or shift the background to #2e2e2e (7:1)
Aaon black
10.83:1passpasspassPasses 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 #a3c80e 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 #a3c80e
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 #a3c80e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3c80e-b5bea2-4e77df-242d1f-f1efe9?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