Color

#659574

#659574
hex#659574
rgbrgb(101, 149, 116)
hslhsl(139, 19%, 49%)
oklchoklch(0.626 0.072 153.9)
Closest name: Illuminati Green (#419168)Relative luminance 0.2552

Colors that go with #659574

Charcoal, Blue 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 #659574

Tints & shades

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

Harmonies

Complementary

Open in tool →

#956586

#6e9565 · #65958c

#746595 · #957465

Split-complementary

Open in tool →

#8c6595 · #95656e

#656e95 · #956586 · #958c65

Contrast

#659574 as textRatioAAAA largeAAAFix
Aaon white
3.44:1failpassfail
  • AA: use #577f64 as the text (4.54:1)
  • AAA: use #405e4a as the text (7.2:1)
  • AA: or shift the background to #242424 (4.51:1)
Aaon black
6.1:1passpassfail
  • AAA: use #73a082 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #659574 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 #659574
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 #659574 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/659574-a2beae-c059d4-1f2d2a-ebf1e9?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