Color

#577d21

#577d21
hex#577d21
rgbrgb(87, 125, 33)
hslhsl(85, 58%, 31%)
oklchoklch(0.542 0.127 129.5)
Closest name: Enchanted Forest (#5c821a)Relative luminance 0.168

Tints & shades

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

Harmonies

Complementary

Open in tool →

#47217d

#7d7521 · #297d21

#21577d · #7d2157

Split-complementary

Open in tool →

#21297d · #75217d

#217d75 · #47217d · #7d2129

Contrast

#577d21 as textRatioAAAA largeAAAFix
Aaon white
4.82:1passpassfail
  • AAA: use #43611a as the text (7.09:1)
Aaon black
4.36:1failpassfail
  • AA: use #598122 as the text (4.59:1)
  • AAA: use #73a52c as the text (7.15:1)
  • AA: or shift the background to #fafafa (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #577d21 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #577d21
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 #577d21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/577d21-afbea2-4e58df-212d1f-f1f0e9?lock=0&style=vibrant

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Machine-readable: color.md