Color

#a3cc3e

#a3cc3e
hex#a3cc3e
rgbrgb(163, 204, 62)
hslhsl(77, 58%, 52%)
oklchoklch(0.789 0.171 124.3)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5132

Colors that go with #a3cc3e

Charcoal, Royal Blue and Taupe 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 →

#663ecc

#ccad3e · #5ccc3e

#3ea3cc · #cc3ea3

Split-complementary

Open in tool →

#3e5ccc · #ad3ecc

#3eccad · #663ecc · #cc3e5c

Contrast

#a3cc3e as textRatioAAAA largeAAAFix
Aaon white
1.86:1failfailfail
  • AA: use #637d21 as the text (4.68:1)
  • AAA: use #495d19 as the text (7.33:1)
  • AA: or shift the background to #4d4d4d (4.53:1)
  • AAA: or shift the background to #303030 (7.08:1)
Aaon black
11.26:1passpasspassPasses 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 #a3cc3e as the background.

Brands using this color

mcpConnect your agent — build around #a3cc3e
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 #a3cc3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3cc3e-b3bea2-4e6bdf-232d1f-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