Color

#646b05

#646b05
hex#646b05
rgbrgb(100, 107, 5)
hslhsl(64, 91%, 22%)
oklchoklch(0.505 0.112 114.2)
Closest name: Forestial Outpost (#556611)Relative luminance 0.1324

Colors that go with #646b05

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 #646b05

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0c056b

#6b3f05 · #316b05

#05646b · #6b0564

Split-complementary

Open in tool →

#05316b · #3f056b

#056b3f · #0c056b · #6b0531

Contrast

#646b05 as textRatioAAAA largeAAAFix
Aaon white
5.76:1passpassfail
  • AAA: use #575d04 as the text (7.06:1)
Aaon black
3.65:1failpassfail
  • AA: use #727a06 as the text (4.5:1)
  • AAA: use #97a108 as the text (7.42:1)
  • AA: or shift the background to #e6e6e6 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #646b05 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

#646b05 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #646b05
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 #646b05 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/646b05-b9bea2-4e8adf-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