Color

#678c2c

#678c2c
hex#678c2c
rgbrgb(103, 140, 44)
hslhsl(83, 52%, 36%)
oklchoklch(0.592 0.131 128.1)
Closest name: olivedrab (#6b8e23)Relative luminance 0.2182

Colors that go with #678c2c

Charcoal, Crimson and Dark Orchid 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#512c8c

#8c802c · #378c2c

#2c678c · #8c2c67

Split-complementary

Open in tool →

#2c378c · #802c8c

#2c8c80 · #512c8c · #8c2c37

Contrast

#678c2c as textRatioAAAA largeAAAFix
Aaon white
3.91:1failpassfail
  • AA: use #5e8028 as the text (4.57:1)
  • AAA: use #47611f as the text (7.01:1)
  • AA: or shift the background to #171717 (4.58:1)
Aaon black
5.36:1passpassfail
  • AAA: use #78a333 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #678c2c 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 #678c2c
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 #678c2c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/678c2c-b0bea2-4e5ddf-222d1f-f1f0e9?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