Color

#3fa72f

#3fa72f
hex#3fa72f
rgbrgb(63, 167, 47)
hslhsl(112, 56%, 42%)
oklchoklch(0.644 0.183 141.2)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.289

Colors that go with #3fa72f

Blue, Dodger Blue 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 →

#972fa7

#7ba72f · #2fa75b

#2f3fa7 · #a72f3f

Split-complementary

Open in tool →

#5b2fa7 · #a72f7b

#2f7ba7 · #972fa7 · #a75b2f

Contrast

#3fa72f as textRatioAAAA largeAAAFix
Aaon white
3.1:1failpassfail
  • AA: use #338726 as the text (4.53:1)
  • AAA: use #26631c as the text (7.28:1)
  • AA: or shift the background to #2b2b2b (4.57:1)
Aaon black
6.78:1passpassfail
  • AAA: use #41ab30 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3fa72f as the background.

Brands using this color

mcpConnect your agent — build around #3fa72f
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 #3fa72f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fa72f-a2bea2-864edf-1f2d23-eef1e9?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