Color

#599ea6

#599ea6
hex#599ea6
rgbrgb(89, 158, 166)
hslhsl(186, 30%, 50%)
oklchoklch(0.657 0.071 205.2)
Closest name: Atlas Cedar (#5ca0a7)Relative luminance 0.2933

Colors that go with #599ea6

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 #599ea6

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a66159

#59a687 · #5978a6

#a6599e · #9ea659

Split-complementary

Open in tool →

#a65978 · #a68759

#8759a6 · #a66159 · #78a659

Contrast

#599ea6 as textRatioAAAA largeAAAFix
Aaon white
3.06:1failpassfail
  • AA: use #477e85 as the text (4.57:1)
  • AAA: use #365f63 as the text (7.06:1)
  • AA: or shift the background to #2b2b2b (4.63:1)
Aaon black
6.87:1passpassfail
  • AAA: use #5da0a8 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #599ea6 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 #599ea6
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 #599ea6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/599ea6-a2b8be-df4e86-1f262d-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