Color

#599b98

#599b98
hex#599b98
rgbrgb(89, 155, 152)
hslhsl(177, 27%, 48%)
oklchoklch(0.645 0.068 191.8)
Closest name: cadetblue (#5f9ea0)Relative luminance 0.2783

Colors that go with #599b98

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 #599b98

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9b595d

#599b77 · #597e9b

#98599b · #9b9859

Split-complementary

Open in tool →

#9b597e · #9b7759

#77599b · #9b595d · #7e9b59

Contrast

#599b98 as textRatioAAAA largeAAAFix
Aaon white
3.2:1failpassfail
  • AA: use #497e7c as the text (4.61:1)
  • AAA: use #365e5c as the text (7.21:1)
  • AA: or shift the background to #292929 (4.55:1)
Aaon black
6.57:1passpassfail
  • AAA: use #5da29e as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #599b98 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 #599b98
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 #599b98 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/599b98-a2bcbe-d4599b-1f282d-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