Color

#3fa67d

#3fa67d
hex#3fa67d
rgbrgb(63, 166, 125)
hslhsl(156, 45%, 45%)
oklchoklch(0.654 0.114 163.6)
Closest name: Cosmic Green (#30a877)Relative luminance 0.2981

Colors that go with #3fa67d

Charcoal, Blue and Cornflower Blue 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 →

#a63f68

#3fa649 · #3f9ca6

#7d3fa6 · #a67d3f

Split-complementary

Open in tool →

#a63f9c · #a6493f

#493fa6 · #a63f68 · #9ca63f

Contrast

#3fa67d as textRatioAAAA largeAAAFix
Aaon white
3.02:1failpassfail
  • AA: use #318161 as the text (4.73:1)
  • AAA: use #246048 as the text (7.39:1)
  • AA: or shift the background to #2e2e2e (4.5:1)
Aaon black
6.96:1passpassfail
  • AAA: use #41aa80 as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3fa67d 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 #3fa67d
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 #3fa67d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fa67d-a2beb6-d459c6-1f2d2d-e9f1ea?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