Color

#3f786f

#3f786f
hex#3f786f
rgbrgb(63, 120, 111)
hslhsl(171, 31%, 36%)
oklchoklch(0.531 0.062 182.5)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1564

Colors that go with #3f786f

Charcoal, Rust and Champagne 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 #3f786f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#783f48

#3f7853 · #3f6478

#703f78 · #78703f

Split-complementary

Open in tool →

#783f64 · #78533f

#533f78 · #783f48 · #64783f

Contrast

#3f786f as textRatioAAAA largeAAAFix
Aaon white
5.09:1passpassfail
Aaon black
4.13:1failpassfail
  • AA: use #437f76 as the text (4.54:1)
  • AAA: use #56a498 as the text (7.16:1)
  • AA: or shift the background to #f2f2f2 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f786f 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 #3f786f
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 #3f786f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f786f-a2bebd-d459a7-1f292d-e9f1ec?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