Color

#576e4e

#576e4e
hex#576e4e
rgbrgb(87, 110, 78)
hslhsl(103, 17%, 37%)
oklchoklch(0.51 0.056 137.1)
Closest name: Cactus (#5b6f55)Relative luminance 0.1373

Tints & shades

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

Harmonies

Complementary

Open in tool →

#654e6e

#676e4e · #4e6e55

#4e576e · #6e4e57

Split-complementary

Open in tool →

#554e6e · #6e4e67

#4e676e · #654e6e · #6e554e

Contrast

#576e4e as textRatioAAAA largeAAAFix
Aaon white
5.61:1passpassfail
  • AAA: use #495c42 as the text (7.26:1)
Aaon black
3.75:1failpassfail
  • AA: use #637d59 as the text (4.61:1)
  • AAA: use #819e76 as the text (7.09:1)
  • AA: or shift the background to #e8e8e8 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #576e4e 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 #576e4e
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 #576e4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/576e4e-a6bea2-704edf-1f2d21-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