Color

#647f57

#647f57
hex#647f57
rgbrgb(100, 127, 87)
hslhsl(101, 19%, 42%)
oklchoklch(0.564 0.067 135.8)
Closest name: Beyond the Pines (#688049)Relative luminance 0.1858

Colors that go with #647f57

Charcoal, Medium Purple and 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 #647f57

Tints & shades

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

Harmonies

Complementary

Open in tool →

#73577f

#787f57 · #577f5e

#57647f · #7f5764

Split-complementary

Open in tool →

#5e577f · #7f5778

#57787f · #73577f · #7f5e57

Contrast

#647f57 as textRatioAAAA largeAAAFix
Aaon white
4.45:1failpassfail
  • AA: use #617c55 as the text (4.64:1)
  • AAA: use #4a5e40 as the text (7.08:1)
  • AA: or shift the background to #050505 (4.58:1)
Aaon black
4.72:1passpassfail
  • AAA: use #7f9e70 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #647f57 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 #647f57
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 #647f57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/647f57-a7bea2-6b4edf-1f2d21-eff1e9?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