Color

#645b07

#645b07
hex#645b07
rgbrgb(100, 91, 7)
hslhsl(54, 87%, 21%)
oklchoklch(0.465 0.095 102.5)
Closest name: Ayahuasca Vine (#665500)Relative luminance 0.1021

Colors that go with #645b07

Charcoal, Denim and Champagne 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 #645b07

Tints & shades

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

Harmonies

Complementary

Open in tool →

#071064

#642c07 · #3f6407

#07645b · #5b0764

Split-complementary

Open in tool →

#073f64 · #2c0764

#07642c · #071064 · #64073f

Contrast

#645b07 as textRatioAAAA largeAAAFix
Aaon white
6.9:1passpassfail
  • AAA: use #5f5607 as the text (7.44:1)
Aaon black
3.04:1failpassfail
  • AA: use #867909 as the text (4.75:1)
  • AAA: use #a7970c as the text (7.08:1)
  • AA: or shift the background to #d1d1d1 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #645b07 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

#645b07 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #645b07
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 #645b07 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/645b07-bebea2-4ea2df-292d1f-f1ede9?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