Color

#3fa27d

#3fa27d
hex#3fa27d
rgbrgb(63, 162, 125)
hslhsl(158, 44%, 44%)
oklchoklch(0.644 0.109 165.3)
Closest name: Cosmic Green (#30a877)Relative luminance 0.2838

Colors that go with #3fa27d

Charcoal, Copper 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.

Real palettes that use #3fa27d

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a23f63

#3fa24c · #3f94a2

#7d3fa2 · #a27d3f

Split-complementary

Open in tool →

#a23f94 · #a24c3f

#4c3fa2 · #a23f63 · #94a23f

Contrast

#3fa27d as textRatioAAAA largeAAAFix
Aaon white
3.15:1failpassfail
  • AA: use #338467 as the text (4.53:1)
  • AAA: use #27634d as the text (7.05:1)
  • AA: or shift the background to #2b2b2b (4.5:1)
Aaon black
6.68:1passpassfail
  • AAA: use #42a983 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3fa27d 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 #3fa27d
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 #3fa27d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fa27d-a2beb7-d459c2-1f2c2d-e9f1eb?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