Color

#59656e

#59656e
hex#59656e
rgbrgb(89, 101, 110)
hslhsl(206, 11%, 39%)
oklchoklch(0.5 0.021 240.3)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1256

Colors that go with #59656e

Charcoal, Champagne and Copper 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6e6259

#596e6d · #595a6e

#6e5965 · #656e59

Split-complementary

Open in tool →

#6e595a · #6e6d59

#6d596e · #6e6259 · #5a6e59

Contrast

#59656e as textRatioAAAA largeAAAFix
Aaon white
5.98:1passpassfail
  • AAA: use #4d5860 as the text (7.29:1)
Aaon black
3.51:1failpassfail
  • AA: use #687782 as the text (4.55:1)
  • AAA: use #8b98a2 as the text (7.11:1)
  • AA: or shift the background to #e0e0e0 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #59656e as the background.

Brands using this color

mcpConnect your agent — build around #59656e
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 #59656e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59656e-9caec4-df4e56-1f212d-e9f1f1?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