Color

#646f49

#646f49
hex#646f49
rgbrgb(100, 111, 73)
hslhsl(77, 21%, 36%)
oklchoklch(0.522 0.058 121.6)
Closest name: Bancha (#666a47)Relative luminance 0.1456

Colors that go with #646f49

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 #646f49

Tints & shades

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

Harmonies

Complementary

Open in tool →

#53496f

#6f6749 · #516f49

#49646f · #6f4964

Split-complementary

Open in tool →

#49516f · #67496f

#496f67 · #53496f · #6f4951

Contrast

#646f49 as textRatioAAAA largeAAAFix
Aaon white
5.37:1passpassfail
Aaon black
3.91:1failpassfail
  • AA: use #6f7b51 as the text (4.63:1)
  • AAA: use #8d9c68 as the text (7.09:1)
  • AA: or shift the background to #ebebeb (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #646f49 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 #646f49
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 #646f49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/646f49-b3bea2-4e6bdf-232d1f-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