Color

#3faa3c

#3faa3c
hex#3faa3c
rgbrgb(63, 170, 60)
hslhsl(118, 48%, 45%)
oklchoklch(0.653 0.178 142.8)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.3013

Colors that go with #3faa3c

Blue, Charcoal and Royal 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 →

#a63caa

#76aa3c · #3caa6f

#3c3faa · #aa3c3f

Split-complementary

Open in tool →

#6f3caa · #aa3c76

#3c76aa · #a63caa · #aa6f3c

Contrast

#3faa3c as textRatioAAAA largeAAAFix
Aaon white
2.99:1failfailfail
  • AA: use #31842e as the text (4.7:1)
  • AAA: use #256222 as the text (7.37:1)
  • AA: or shift the background to #2e2e2e (4.54:1)
  • AAA: or shift the background to #000000 (7.03:1)
Aaon black
7.03:1passpasspassPasses 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 #3faa3c as the background.

Brands using this color

mcpConnect your agent — build around #3faa3c
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 #3faa3c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3faa3c-a2bea4-944edf-1f2d25-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