Color

#577f64

#577f64
hex#577f64
rgbrgb(87, 127, 100)
hslhsl(139, 19%, 42%)
oklchoklch(0.559 0.061 154.5)
Closest name: Clouded Pine (#628468)Relative luminance 0.1813

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7f5773

#5e7f57 · #577f78

#64577f · #7f6457

Split-complementary

Open in tool →

#78577f · #7f575e

#575e7f · #7f5773 · #7f7857

Contrast

#577f64 as textRatioAAAA largeAAAFix
Aaon white
4.54:1passpassfail
  • AAA: use #405e4a as the text (7.2:1)
Aaon black
4.63:1passpassfail
  • 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 #577f64 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 #577f64
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #577f64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/577f64-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