Color

#59646e

#59646e
hex#59646e
rgbrgb(89, 100, 110)
hslhsl(209, 11%, 39%)
oklchoklch(0.497 0.021 245.7)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1236

Colors that go with #59646e

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 →

#6e6359

#596e6e · #59596e

#6e5964 · #646e59

Split-complementary

Open in tool →

#6e5959 · #6e6e59

#6e596e · #6e6359 · #596e59

Contrast

#59646e as textRatioAAAA largeAAAFix
Aaon white
6.05:1passpassfail
  • AAA: use #4f5a63 as the text (7.06:1)
Aaon black
3.47:1failpassfail
  • AA: use #687682 as the text (4.5:1)
  • AAA: use #8b97a2 as the text (7.05:1)
  • AA: or shift the background to #e0e0e0 (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 #59646e as the background.

Brands using this color

mcpConnect your agent — build around #59646e
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 #59646e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59646e-9cacc4-df4e4e-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