Color

#59989b

#59989b
hex#59989b
rgbrgb(89, 152, 155)
hslhsl(183, 27%, 48%)
oklchoklch(0.639 0.065 199.6)
Closest name: cadetblue (#5f9ea0)Relative luminance 0.2695

Colors that go with #59989b

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 #59989b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9b5d59

#599b7e · #59779b

#9b5998 · #989b59

Split-complementary

Open in tool →

#9b5977 · #9b7e59

#7e599b · #9b5d59 · #779b59

Contrast

#59989b as textRatioAAAA largeAAAFix
Aaon white
3.29:1failpassfail
  • AA: use #4a7f82 as the text (4.52:1)
  • AAA: use #385f61 as the text (7.05:1)
  • AA: or shift the background to #262626 (4.6:1)
Aaon black
6.39:1passpassfail
  • AAA: use #60a0a4 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 #59989b 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 #59989b
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 #59989b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59989b-a2b9be-d4598e-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