Color

#599fa6

#599fa6
hex#599fa6
rgbrgb(89, 159, 166)
hslhsl(185, 30%, 50%)
oklchoklch(0.659 0.071 203.9)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.2967

Colors that go with #599fa6

Charcoal, Terracotta 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 #599fa6

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a66059

#59a686 · #5979a6

#a6599f · #9fa659

Split-complementary

Open in tool →

#a65979 · #a68659

#8659a6 · #a66059 · #79a659

Contrast

#599fa6 as textRatioAAAA largeAAAFix
Aaon white
3.03:1failpassfail
  • AA: use #467c81 as the text (4.71:1)
  • AAA: use #345c60 as the text (7.38:1)
  • AA: or shift the background to #2b2b2b (4.68:1)
Aaon black
6.93:1passpassfail
  • AAA: use #5da1a8 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 #599fa6 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 #599fa6
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 #599fa6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/599fa6-a2b8be-df4e88-1f262d-e9f1ee?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