Color

#6d677e

#6d677e
hex#6d677e
rgbrgb(109, 103, 126)
hslhsl(256, 10%, 45%)
oklchoklch(0.528 0.036 297.1)
Closest name: Dark Prince (#6b6c89)Relative luminance 0.1446

Colors that go with #6d677e

Charcoal, Champagne and Copper 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 #6d677e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#787e67

#676d7e · #79677e

#7e6d67 · #677e6d

Split-complementary

Open in tool →

#7e7967 · #6d7e67

#7e676d · #787e67 · #677e79

Contrast

#6d677e as textRatioAAAA largeAAAFix
Aaon white
5.4:1passpassfail
  • AAA: use #5a5568 as the text (7.16:1)
Aaon black
3.89:1failpassfail
  • AA: use #7a738c as the text (4.66:1)
  • AAA: use #9a94a8 as the text (7.18:1)
  • AA: or shift the background to #ebebeb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6d677e 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 #6d677e
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 #6d677e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6d677e-ab9cc4-dfbf4e-291f2d-e9ebf1?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