Color

#645f30

#645f30
hex#645f30
rgbrgb(100, 95, 48)
hslhsl(54, 35%, 29%)
oklchoklch(0.479 0.067 103.2)
Closest name: Cypress (#585d40)Relative luminance 0.1111

Colors that go with #645f30

Charcoal, Slate Blue 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 #645f30

Tints & shades

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

Harmonies

Complementary

Open in tool →

#303564

#644530 · #4f6430

#30645f · #5f3064

Split-complementary

Open in tool →

#304f64 · #453064

#306445 · #303564 · #64304f

Contrast

#645f30 as textRatioAAAA largeAAAFix
Aaon white
6.52:1passpassfail
  • AAA: use #5d582d as the text (7.24:1)
Aaon black
3.22:1failpassfail
  • AA: use #7c763c as the text (4.51:1)
  • AAA: use #a2994e as the text (7.2:1)
  • AA: or shift the background to #d9d9d9 (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 #645f30 as the background.

Brands using this color

Fonts for this mood

#645f30 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #645f30
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 #645f30 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/645f30-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