Color

#57595b

#57595b
hex#57595b
rgbrgb(87, 89, 91)
hslhsl(210, 2%, 35%)
oklchoklch(0.463 0.004 247.9)
Closest name: Bark (#5f5854)Relative luminance 0.0993

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b5957

#575b5b · #57575b

#5b5759 · #595b57

Split-complementary

Open in tool →

#5b5757 · #5b5b57

#5b575b · #5b5957 · #575b57

Contrast

#57595b as textRatioAAAA largeAAAFix
Aaon white
7.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.99:1failfailfail
  • AA: use #737578 as the text (4.54:1)
  • AAA: use #949699 as the text (7.08:1)
  • AA: or shift the background to #cfcfcf (4.52:1)
  • AAA: or shift the background to #ffffff (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #57595b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#57595b reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #57595b
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 #57595b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57595b-a2beb0-c859d4-1f2d2b-eaf1e9?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