Color

#579798

#579798
hex#579798
rgbrgb(87, 151, 152)
hslhsl(181, 27%, 47%)
oklchoklch(0.634 0.066 196.9)
Closest name: cadetblue (#5f9ea0)Relative luminance 0.2643

Colors that go with #579798

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 #579798

Tints & shades

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

Harmonies

Complementary

Open in tool →

#985957

#579879 · #577798

#985797 · #979857

Split-complementary

Open in tool →

#985777 · #987957

#795798 · #985957 · #779857

Contrast

#579798 as textRatioAAAA largeAAAFix
Aaon white
3.34:1failpassfail
  • AA: use #497d7e as the text (4.65:1)
  • AAA: use #365d5e as the text (7.28:1)
  • AA: or shift the background to #262626 (4.53:1)
Aaon black
6.29:1passpassfail
  • AAA: use #5da1a2 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 #579798 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 #579798
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 #579798 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/579798-a2babe-d45992-1f272d-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