Color

#3d6644

#3d6644
hex#3d6644
rgbrgb(61, 102, 68)
hslhsl(130, 25%, 32%)
oklchoklch(0.47 0.072 148.6)
Closest name: Forest Serenade (#336644)Relative luminance 0.1091

Colors that go with #3d6644

Charcoal, Royal Blue and 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.

Real palettes that use #3d6644

Tints & shades

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

Harmonies

Complementary

Open in tool →

#663d5f

#4b663d · #3d6658

#443d66 · #66443d

Split-complementary

Open in tool →

#583d66 · #663d4b

#3d4b66 · #663d5f · #66583d

Contrast

#3d6644 as textRatioAAAA largeAAAFix
Aaon white
6.6:1passpassfail
  • AAA: use #396040 as the text (7.19:1)
Aaon black
3.18:1failpassfail
  • AA: use #4d8055 as the text (4.53:1)
  • AAA: use #66a370 as the text (7.04:1)
  • AA: or shift the background to #d6d6d6 (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 #3d6644 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #3d6644
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 #3d6644 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d6644-a2beaa-b14edf-1f2d28-ecf1e9?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