Color

#647d64

#647d64
hex#647d64
rgbrgb(100, 125, 100)
hslhsl(120, 11%, 44%)
oklchoklch(0.563 0.048 144.9)
Closest name: Ecological (#677f70)Relative luminance 0.183

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7d647d

#707d64 · #647d70

#64647d · #7d6464

Split-complementary

Open in tool →

#70647d · #7d6470

#64707d · #7d647d · #7d7064

Contrast

#647d64 as textRatioAAAA largeAAAFix
Aaon white
4.51:1passpassfail
  • AAA: use #4b5d4b as the text (7.08:1)
Aaon black
4.66:1passpassfail
  • AAA: use #859d85 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #647d64 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 #647d64
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #647d64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/647d64-a2bea5-994edf-1f2d25-edf1e9?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