Color

#646f34

#646f34
hex#646f34
rgbrgb(100, 111, 52)
hslhsl(71, 36%, 32%)
oklchoklch(0.518 0.084 118.2)
Closest name: darkolivegreen (#556b2f)Relative luminance 0.1433

Colors that go with #646f34

Charcoal, Slate Blue 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 #646f34

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3f346f

#6f5c34 · #476f34

#34646f · #6f3464

Split-complementary

Open in tool →

#34476f · #5c346f

#346f5c · #3f346f · #6f3447

Contrast

#646f34 as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #515a2a as the text (7.38:1)
Aaon black
3.87:1failpassfail
  • AA: use #717d3b as the text (4.7:1)
  • AAA: use #90a04b as the text (7.32:1)
  • AA: or shift the background to #ebebeb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #646f34 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #646f34
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 #646f34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/646f34-b6bea2-4e7adf-252d1f-f1efe9?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