Color

#a3fd49

#a3fd49
hex#a3fd49
rgbrgb(163, 253, 73)
hslhsl(90, 98%, 64%)
oklchoklch(0.904 0.224 132.6)
Closest name: greenyellow (#adff2f)Relative luminance 0.7852

Colors that go with #a3fd49

Violet, Blue and Charcoal 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 →

#a349fd

#fdfd49 · #49fd49

#49a3fd · #fd49a3

Split-complementary

Open in tool →

#4949fd · #fd49fd

#49fdfd · #a349fd · #fd4949

Contrast

#a3fd49 as textRatioAAAA largeAAAFix
Aaon white
1.26:1failfailfail
  • AA: use #428301 as the text (4.69:1)
  • AAA: use #306001 as the text (7.5:1)
  • AA: or shift the background to #666666 (4.57:1)
  • AAA: or shift the background to #4a4a4a (7.05:1)
Aaon black
16.7:1passpasspassPasses 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 #a3fd49 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 #a3fd49
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 #a3fd49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3fd49-adbea2-514edf-202d1f-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