Color

#599797

#599797
hex#599797
rgbrgb(89, 151, 151)
hslhsl(180, 26%, 47%)
oklchoklch(0.635 0.064 195.7)
Closest name: cadetblue (#5f9ea0)Relative luminance 0.2649

Colors that go with #599797

Charcoal, Copper and Blush Pink 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 #599797

Tints & shades

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

Harmonies

Complementary

Open in tool →

#975959

#599778 · #597897

#975997 · #979759

Split-complementary

Open in tool →

#975978 · #977859

#785997 · #975959 · #789759

Contrast

#599797 as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #4a7d7d as the text (4.65:1)
  • AAA: use #375d5d as the text (7.28:1)
  • AA: or shift the background to #262626 (4.54:1)
Aaon black
6.3:1passpassfail
  • AAA: use #5ea1a1 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #599797 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 #599797
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 #599797 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/599797-a2bbbe-d45994-1f272d-e9f1ed?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