Color

#678131

#678131
hex#678131
rgbrgb(103, 129, 49)
hslhsl(80, 45%, 35%)
oklchoklch(0.565 0.111 125)
Closest name: Enchanted Forest (#5c821a)Relative luminance 0.1881

Colors that go with #678131

Charcoal, Crimson and Royal Blue 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 →

#4c3181

#817431 · #3e8131

#316781 · #813167

Split-complementary

Open in tool →

#313e81 · #743181

#318174 · #4c3181 · #81313e

Contrast

#678131 as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #647e30 as the text (4.6:1)
  • AAA: use #495c23 as the text (7.4:1)
  • AA: or shift the background to #080808 (4.54:1)
Aaon black
4.76:1passpassfail
  • AAA: use #81a33e as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #678131 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 #678131
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 #678131 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/678131-b1bea2-4e64df-232d1f-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