Color

#646b00

#646b00
hex#646b00
rgbrgb(100, 107, 0)
hslhsl(64, 100%, 21%)
oklchoklch(0.504 0.114 114.2)
Closest name: Forestial Outpost (#556611)Relative luminance 0.1322

Tints & shades

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

Harmonies

Complementary

Open in tool →

#07006b

#6b3d00 · #2e6b00

#00646b · #6b0064

Split-complementary

Open in tool →

#002e6b · #3d006b

#006b3d · #07006b · #6b002e

Contrast

#646b00 as textRatioAAAA largeAAAFix
Aaon white
5.76:1passpassfail
  • AAA: use #565c00 as the text (7.18:1)
Aaon black
3.64:1failpassfail
  • AA: use #778000 as the text (4.87:1)
  • AAA: use #949e00 as the text (7.15:1)
  • AA: or shift the background to #e6e6e6 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #646b00 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

#646b00 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #646b00
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 #646b00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/646b00-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