Color

#3f7e2a

#3f7e2a
hex#3f7e2a
rgbrgb(63, 126, 42)
hslhsl(105, 50%, 33%)
oklchoklch(0.532 0.135 138.8)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1615

Colors that go with #3f7e2a

Charcoal, Crimson 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 →

#692a7e

#697e2a · #2a7e3f

#2a3f7e · #7e2a3f

Split-complementary

Open in tool →

#3f2a7e · #7e2a69

#2a697e · #692a7e · #7e3f2a

Contrast

#3f7e2a as textRatioAAAA largeAAAFix
Aaon white
4.97:1passpassfail
  • AAA: use #326321 as the text (7.14:1)
Aaon black
4.23:1failpassfail
  • AA: use #43862d as the text (4.69:1)
  • AAA: use #54a838 as the text (7.04:1)
  • AA: or shift the background to #f5f5f5 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f7e2a as the background.

Brands using this color

mcpConnect your agent — build around #3f7e2a
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 #3f7e2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f7e2a-a6bea2-754edf-1f2d22-eff1e9?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