Color

#664e00

#664e00
hex#664e00
rgbrgb(102, 78, 0)
hslhsl(46, 100%, 20%)
oklchoklch(0.437 0.089 88.2)
Closest name: Ayahuasca Vine (#665500)Relative luminance 0.0827

Tints & shades

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

Harmonies

Complementary

Open in tool →

#001866

#661b00 · #4b6600

#00664e · #4e0066

Split-complementary

Open in tool →

#004b66 · #1b0066

#00661b · #001866 · #66004b

Contrast

#664e00 as textRatioAAAA largeAAAFix
Aaon white
7.91:1passpasspassPasses AAA — no fix needed.
Aaon black
2.65:1failfailfail
  • AA: use #947100 as the text (4.62:1)
  • AAA: use #bd9100 as the text (7.21:1)
  • AA: or shift the background to #c4c4c4 (4.54:1)
  • AAA: or shift the background to #f2f2f2 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #664e00 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

#664e00 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #664e00
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 #664e00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/664e00-c4bf9c-62adcb-2a2d1f-f1ece9?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