Color

#596e5b

#596e5b
hex#596e5b
rgbrgb(89, 110, 91)
hslhsl(126, 11%, 39%)
oklchoklch(0.515 0.039 147.6)
Closest name: Cactus (#5b6f55)Relative luminance 0.1403

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6e596c

#616e59 · #596e66

#5b596e · #6e5b59

Split-complementary

Open in tool →

#66596e · #6e5961

#59616e · #6e596c · #6e6659

Contrast

#596e5b as textRatioAAAA largeAAAFix
Aaon white
5.52:1passpassfail
  • AAA: use #4b5d4d as the text (7.07:1)
Aaon black
3.81:1failpassfail
  • AA: use #647d66 as the text (4.67:1)
  • AAA: use #859d88 as the text (7.18:1)
  • AA: or shift the background to #e8e8e8 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #596e5b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #596e5b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #596e5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/596e5b-a2bea8-a74edf-1f2d27-ecf1e9?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