Color

#678374

#678374
hex#678374
rgbrgb(103, 131, 116)
hslhsl(148, 12%, 46%)
oklchoklch(0.584 0.039 161.5)
Closest name: Ecological (#677f70)Relative luminance 0.2038

Colors that go with #678374

Charcoal, Copper and Blush Pink 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 #678374

Tints & shades

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

Harmonies

Complementary

Open in tool →

#836776

#688367 · #678382

#746783 · #837467

Split-complementary

Open in tool →

#826783 · #836768

#676883 · #836776 · #838267

Contrast

#678374 as textRatioAAAA largeAAAFix
Aaon white
4.14:1failpassfail
  • AA: use #607b6d as the text (4.61:1)
  • AAA: use #485b51 as the text (7.26:1)
  • AA: or shift the background to #121212 (4.53:1)
Aaon black
5.08:1passpassfail
  • AAA: use #819c8e as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #678374 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 #678374
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 #678374 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/678374-a2beb2-d259d4-1f2d2c-eaf1e9?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