Color

#3da43e

#3da43e
hex#3da43e
rgbrgb(61, 164, 62)
hslhsl(121, 46%, 44%)
oklchoklch(0.637 0.17 143.4)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2789

Colors that go with #3da43e

Charcoal, Blue and Crimson 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 →

#a43da2

#6ea43d · #3da472

#3e3da4 · #a43e3d

Split-complementary

Open in tool →

#723da4 · #a43d6e

#3d6ea4 · #a43da2 · #a4723d

Contrast

#3da43e as textRatioAAAA largeAAAFix
Aaon white
3.19:1failpassfail
  • AA: use #328633 as the text (4.57:1)
  • AAA: use #256526 as the text (7.08:1)
  • AA: or shift the background to #292929 (4.56:1)
Aaon black
6.58:1passpassfail
  • AAA: use #3fab41 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3da43e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #3da43e
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 #3da43e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3da43e-a2bea6-9b4edf-1f2d26-edf1e9?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