Color

#647651

#647651
hex#647651
rgbrgb(100, 118, 81)
hslhsl(89, 19%, 39%)
oklchoklch(0.541 0.059 129.3)
Closest name: Irish Clover (#53734c)Relative luminance 0.1626

Colors that go with #647651

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 #647651

Tints & shades

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

Harmonies

Complementary

Open in tool →

#635176

#767651 · #517651

#516476 · #765164

Split-complementary

Open in tool →

#515176 · #765176

#517676 · #635176 · #765151

Contrast

#647651 as textRatioAAAA largeAAAFix
Aaon white
4.94:1passpassfail
  • AAA: use #4d5b3e as the text (7.29:1)
Aaon black
4.25:1failpassfail
  • AA: use #697c55 as the text (4.61:1)
  • AAA: use #889e70 as the text (7.17:1)
  • AA: or shift the background to #f5f5f5 (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 #647651 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 #647651
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 #647651 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/647651-adbea2-4e4edf-212d1f-f1f1e9?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