Color

#678380

#678380
hex#678380
rgbrgb(103, 131, 128)
hslhsl(174, 12%, 46%)
oklchoklch(0.587 0.032 188.3)
Closest name: Arctic (#648589)Relative luminance 0.2067

Colors that go with #678380

Charcoal, Copper and Champagne 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 #678380

Tints & shades

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

Harmonies

Complementary

Open in tool →

#83676a

#678372 · #677883

#816783 · #838167

Split-complementary

Open in tool →

#836778 · #837267

#726783 · #83676a · #788367

Contrast

#678380 as textRatioAAAA largeAAAFix
Aaon white
4.09:1failpassfail
  • AA: use #607b78 as the text (4.56:1)
  • AAA: use #485b59 as the text (7.2:1)
  • AA: or shift the background to #141414 (4.5:1)
Aaon black
5.13:1passpassfail
  • AAA: use #819c9a as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #678380 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 #678380
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 #678380 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/678380-a2bebe-d459a1-1f292d-e9f1ed?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