Color

#3f7d67

#3f7d67
hex#3f7d67
rgbrgb(63, 125, 103)
hslhsl(159, 33%, 37%)
oklchoklch(0.541 0.074 168.2)
Closest name: Green Sleeves (#39766c)Relative luminance 0.167

Colors that go with #3f7d67

Charcoal, Rust and Medium Violet Red 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 →

#7d3f55

#3f7d49 · #3f747d

#683f7d · #7d683f

Split-complementary

Open in tool →

#7d3f74 · #7d493f

#493f7d · #7d3f55 · #747d3f

Contrast

#3f7d67 as textRatioAAAA largeAAAFix
Aaon white
4.84:1passpassfail
  • AAA: use #305f4e as the text (7.31:1)
Aaon black
4.34:1failpassfail
  • AA: use #41816a as the text (4.57:1)
  • AAA: use #54a689 as the text (7.19:1)
  • AA: or shift the background to #f7f7f7 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f7d67 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 #3f7d67
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 #3f7d67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f7d67-a2beb8-d459c0-1f2c2d-e9f1eb?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