Color

#677e6e

#677e6e
hex#677e6e
rgbrgb(103, 126, 110)
hslhsl(138, 10%, 45%)
oklchoklch(0.57 0.036 154.8)
Closest name: Ecological (#677f70)Relative luminance 0.1893

Colors that go with #677e6e

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 #677e6e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7e6777

#6c7e67 · #677e7a

#6e677e · #7e6e67

Split-complementary

Open in tool →

#7a677e · #7e676c

#676c7e · #7e6777 · #7e7a67

Contrast

#677e6e as textRatioAAAA largeAAAFix
Aaon white
4.39:1failpassfail
  • AA: use #657b6c as the text (4.56:1)
  • AAA: use #4c5d51 as the text (7.02:1)
  • AA: or shift the background to #0a0a0a (4.51:1)
Aaon black
4.79:1passpassfail
  • AAA: use #869c8d as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #677e6e 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 #677e6e
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 #677e6e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/677e6e-a2beae-be59d4-1f2d29-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