Color

#659579

#659579
hex#659579
rgbrgb(101, 149, 121)
hslhsl(145, 19%, 49%)
oklchoklch(0.627 0.067 158.2)
Closest name: Highlands (#449084)Relative luminance 0.2564

Colors that go with #659579

Charcoal, Copper and Blue 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 #659579

Tints & shades

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

Harmonies

Complementary

Open in tool →

#956581

#699565 · #659591

#796595 · #957965

Split-complementary

Open in tool →

#916595 · #956569

#656995 · #956581 · #959165

Contrast

#659579 as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #577f68 as the text (4.52:1)
  • AAA: use #405e4d as the text (7.18:1)
  • AA: or shift the background to #242424 (4.53:1)
Aaon black
6.13:1passpassfail
  • AAA: use #73a086 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #659579 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 #659579
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 #659579 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/659579-a2beb1-cc59d4-1f2d2b-eaf1e9?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