Color

#646a0b

#646a0b
hex#646a0b
rgbrgb(100, 106, 11)
hslhsl(64, 81%, 23%)
oklchoklch(0.502 0.109 113.6)
Closest name: Forestial Outpost (#556611)Relative luminance 0.1304

Colors that go with #646a0b

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 #646a0b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#110b6a

#6a410b · #346a0b

#0b646a · #6a0b64

Split-complementary

Open in tool →

#0b346a · #410b6a

#0b6a41 · #110b6a · #6a0b34

Contrast

#646a0b as textRatioAAAA largeAAAFix
Aaon white
5.82:1passpassfail
  • AAA: use #575c0a as the text (7.14:1)
Aaon black
3.61:1failpassfail
  • AA: use #757d0d as the text (4.7:1)
  • AAA: use #949d10 as the text (7.09:1)
  • AA: or shift the background to #e3e3e3 (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 #646a0b 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

#646a0b reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #646a0b
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 #646a0b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/646a0b-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