Color

#a3ca16

#a3ca16
hex#a3ca16
rgbrgb(163, 202, 22)
hslhsl(73, 80%, 44%)
oklchoklch(0.783 0.187 122.7)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5009

Colors that go with #a3ca16

Taupe, Plum and Dark Olive Green 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 →

#3d16ca

#ca9716 · #49ca16

#16a3ca · #ca16a3

Split-complementary

Open in tool →

#1649ca · #9716ca

#16ca97 · #3d16ca · #ca1649

Contrast

#a3ca16 as textRatioAAAA largeAAAFix
Aaon white
1.91:1failfailfail
  • AA: use #647c0e as the text (4.74:1)
  • AAA: use #4a5c0a as the text (7.43:1)
  • AA: or shift the background to #4a4a4a (4.65:1)
  • AAA: or shift the background to #2e2e2e (7.12:1)
Aaon black
11.02:1passpasspassPasses 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 #a3ca16 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 #a3ca16
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 #a3ca16 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3ca16-b5bea2-4e75df-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