Color

#678c2b

#678c2b
hex#678c2b
rgbrgb(103, 140, 43)
hslhsl(83, 53%, 36%)
oklchoklch(0.592 0.131 128)
Closest name: Asparagus Sultan (#6a8e22)Relative luminance 0.2181

Colors that go with #678c2b

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 →

#502b8c

#8c812b · #368c2b

#2b678c · #8c2b67

Split-complementary

Open in tool →

#2b368c · #812b8c

#2b8c81 · #502b8c · #8c2b36

Contrast

#678c2b as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #5f8128 as the text (4.51:1)
  • AAA: use #455e1d as the text (7.31:1)
  • AA: or shift the background to #171717 (4.58:1)
Aaon black
5.36:1passpassfail
  • AAA: use #78a432 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 #678c2b 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 #678c2b
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 #678c2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/678c2b-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