Color

#577b04

#577b04
hex#577b04
rgbrgb(87, 123, 4)
hslhsl(78, 94%, 25%)
oklchoklch(0.536 0.137 127.4)
Closest name: Avocado (#568203)Relative luminance 0.162

Tints & shades

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

Harmonies

Complementary

Open in tool →

#28047c

#7c6404 · #1c7c04

#04587c · #7c0458

Split-complementary

Open in tool →

#041c7c · #64047c

#047c64 · #28047c · #7c041c

Contrast

#577b04 as textRatioAAAA largeAAAFix
Aaon white
4.95:1passpassfail
  • AAA: use #435e03 as the text (7.39:1)
Aaon black
4.24:1failpassfail
  • AA: use #5b8104 as the text (4.59:1)
  • AAA: use #77a805 as the text (7.39:1)
  • AA: or shift the background to #f5f5f5 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #577b04 as the background.

Brands using this color

Fonts for this mood

#577b04 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #577b04
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 #577b04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/577b04-b2bea2-4e69df-232d1f-f1f0e9?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