Color

#659e57

#659e57
hex#659e57
rgbrgb(101, 158, 87)
hslhsl(108, 29%, 48%)
oklchoklch(0.642 0.118 139.6)
Closest name: Bavarian Green (#749a54)Relative luminance 0.2791

Colors that go with #659e57

Charcoal, Blue and Copper 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#90579e

#899e57 · #579e6c

#57659e · #9e5765

Split-complementary

Open in tool →

#6c579e · #9e5789

#57899e · #90579e · #9e6c57

Contrast

#659e57 as textRatioAAAA largeAAAFix
Aaon white
3.19:1failpassfail
  • AA: use #528047 as the text (4.63:1)
  • AAA: use #3d5f35 as the text (7.27:1)
  • AA: or shift the background to #292929 (4.56:1)
Aaon black
6.58:1passpassfail
  • AAA: use #69a45b 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 #659e57 as the background.

Brands using this color

mcpConnect your agent — build around #659e57
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 #659e57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/659e57-a4bea2-7c4edf-1f2d23-eff1e9?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