Color

#596d55

#596d55
hex#596d55
rgbrgb(89, 109, 85)
hslhsl(110, 12%, 38%)
oklchoklch(0.511 0.044 140.4)
Closest name: Cactus (#5b6f55)Relative luminance 0.1372

Colors that go with #596d55

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 #596d55

Tints & shades

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

Harmonies

Complementary

Open in tool →

#69556d

#656d55 · #556d5d

#55596d · #6d5559

Split-complementary

Open in tool →

#5d556d · #6d5565

#55656d · #69556d · #6d5d55

Contrast

#596d55 as textRatioAAAA largeAAAFix
Aaon white
5.61:1passpassfail
  • AAA: use #4b5b48 as the text (7.27:1)
Aaon black
3.74:1failpassfail
  • AA: use #657b60 as the text (4.56:1)
  • AAA: use #869c81 as the text (7.09:1)
  • AA: or shift the background to #e8e8e8 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #596d55 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

mcpConnect your agent — build around #596d55
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 #596d55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/596d55-a3bea2-814edf-1f2d23-eef1e9?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