Color

#646e17

#646e17
hex#646e17
rgbrgb(100, 110, 23)
hslhsl(67, 65%, 26%)
oklchoklch(0.513 0.107 116.1)
Closest name: darkolivegreen (#556b2f)Relative luminance 0.1392

Colors that go with #646e17

Charcoal, Blue Violet 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 #646e17

Tints & shades

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

Harmonies

Complementary

Open in tool →

#21176d

#6d4c17 · #386d17

#17636d · #6d1763

Split-complementary

Open in tool →

#17386d · #4c176d

#176d4c · #21176d · #6d1738

Contrast

#646e17 as textRatioAAAA largeAAAFix
Aaon white
5.55:1passpassfail
  • AAA: use #545d14 as the text (7.11:1)
Aaon black
3.78:1failpassfail
  • AA: use #737e1b as the text (4.73:1)
  • AAA: use #91a022 as the text (7.26:1)
  • AA: or shift the background to #e8e8e8 (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 #646e17 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#646e17 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #646e17
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 #646e17 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/646e17-b8bea2-4e83df-262d1f-f1eee9?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