Color

#646f3e

#646f3e
hex#646f3e
rgbrgb(100, 111, 62)
hslhsl(73, 28%, 34%)
oklchoklch(0.52 0.072 119.3)
Closest name: Bancha (#666a47)Relative luminance 0.1443

Colors that go with #646f3e

Charcoal, Royal Blue and Slate 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.

Real palettes that use #646f3e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#493e6f

#6f613e · #4c6f3e

#3e646f · #6f3e64

Split-complementary

Open in tool →

#3e4c6f · #613e6f

#3e6f61 · #493e6f · #6f3e4c

Contrast

#646f3e as textRatioAAAA largeAAAFix
Aaon white
5.41:1passpassfail
  • AAA: use #535b33 as the text (7.21:1)
Aaon black
3.89:1failpassfail
  • AA: use #707c46 as the text (4.66:1)
  • AAA: use #8e9d58 as the text (7.11:1)
  • AA: or shift the background to #ebebeb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #646f3e 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 #646f3e
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 #646f3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/646f3e-b5bea2-4e75df-242d1f-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