Color

#646b2e

#646b2e
hex#646b2e
rgbrgb(100, 107, 46)
hslhsl(67, 40%, 30%)
oklchoklch(0.508 0.085 114.9)
Closest name: darkolivegreen (#556b2f)Relative luminance 0.1342

Tints & shades

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

Harmonies

Complementary

Open in tool →

#352e6b

#6b542e · #456b2e

#2e646b · #6b2e64

Split-complementary

Open in tool →

#2e456b · #542e6b

#2e6b54 · #352e6b · #6b2e45

Contrast

#646b2e as textRatioAAAA largeAAAFix
Aaon white
5.7:1passpassfail
  • AAA: use #535926 as the text (7.43:1)
Aaon black
3.68:1failpassfail
  • AA: use #757d36 as the text (4.74:1)
  • AAA: use #939d43 as the text (7.14:1)
  • AA: or shift the background to #e6e6e6 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #646b2e 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

#646b2e reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #646b2e
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 #646b2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/646b2e-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