Color

#3f694c

#3f694c
hex#3f694c
rgbrgb(63, 105, 76)
hslhsl(139, 25%, 33%)
oklchoklch(0.481 0.067 153.2)
Closest name: Forest Serenade (#336644)Relative luminance 0.1168

Colors that go with #3f694c

Charcoal, Medium Violet Red and Cadet 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 #3f694c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#693f5c

#47693f · #3f6961

#4c3f69 · #694c3f

Split-complementary

Open in tool →

#613f69 · #693f47

#3f4769 · #693f5c · #69613f

Contrast

#3f694c as textRatioAAAA largeAAAFix
Aaon white
6.29:1passpassfail
  • AAA: use #396045 as the text (7.16:1)
Aaon black
3.34:1failpassfail
  • AA: use #4d805d as the text (4.56:1)
  • AAA: use #66a379 as the text (7.08:1)
  • AA: or shift the background to #dbdbdb (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 #3f694c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #3f694c
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 #3f694c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f694c-a2beae-c059d4-1f2d2a-ebf1e9?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