Color

#596c78

#596c78
hex#596c78
rgbrgb(89, 108, 120)
hslhsl(203, 15%, 41%)
oklchoklch(0.52 0.03 235.9)
Closest name: Ashen Whisper (#646b7a)Relative luminance 0.1421

Tints & shades

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

Harmonies

Complementary

Open in tool →

#786559

#597875 · #595d78

#78596c · #6c7859

Split-complementary

Open in tool →

#78595d · #787559

#755978 · #786559 · #5d7859

Contrast

#596c78 as textRatioAAAA largeAAAFix
Aaon white
5.47:1passpassfail
  • AAA: use #4a5a64 as the text (7.15:1)
Aaon black
3.84:1failpassfail
  • AA: use #647987 as the text (4.63:1)
  • AAA: use #8498a4 as the text (7.01:1)
  • AA: or shift the background to #ebebeb (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #596c78 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 #596c78
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 #596c78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/596c78-9cb0c4-df4e5d-1f222d-e9f1f0?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