Color

#647b18

#647b18
hex#647b18
rgbrgb(100, 123, 24)
hslhsl(74, 67%, 29%)
oklchoklch(0.546 0.123 122.4)
Closest name: Enchanted Forest (#5c821a)Relative luminance 0.1694

Colors that go with #647b18

Charcoal, Royal Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#30187b

#7b6118 · #337b18

#18647b · #7b1864

Split-complementary

Open in tool →

#18337b · #61187b

#187b61 · #30187b · #7b1833

Contrast

#647b18 as textRatioAAAA largeAAAFix
Aaon white
4.79:1passpassfail
  • AAA: use #4c5e13 as the text (7.2:1)
Aaon black
4.39:1failpassfail
  • AA: use #688019 as the text (4.69:1)
  • AAA: use #84a220 as the text (7.17:1)
  • AA: or shift the background to #fafafa (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #647b18 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

Fonts for this mood

#647b18 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #647b18
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 #647b18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/647b18-b4bea2-4e72df-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