Color

#649e57

#649e57
hex#649e57
rgbrgb(100, 158, 87)
hslhsl(109, 29%, 48%)
oklchoklch(0.642 0.118 139.9)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2785

Colors that go with #649e57

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 →

#91579e

#879e57 · #579e6d

#57649e · #9e5764

Split-complementary

Open in tool →

#6d579e · #9e5787

#57879e · #91579e · #9e6d57

Contrast

#649e57 as textRatioAAAA largeAAAFix
Aaon white
3.2:1failpassfail
  • AA: use #518047 as the text (4.64:1)
  • AAA: use #3c5f35 as the text (7.29:1)
  • AA: or shift the background to #292929 (4.55:1)
Aaon black
6.57:1passpassfail
  • AAA: use #68a45b as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #649e57 as the background.

Brands using this color

mcpConnect your agent — build around #649e57
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 #649e57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/649e57-a4bea2-7e4edf-1f2d23-eef1e9?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