Color

#5b575a

#5b575a
hex#5b575a
rgbrgb(91, 87, 90)
hslhsl(315, 2%, 35%)
oklchoklch(0.462 0.007 334.1)
Closest name: Bark (#5f5854)Relative luminance 0.0978

Tints & shades

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

Harmonies

Complementary

Open in tool →

#575b58

#5a575b · #5b5758

#5a5b57 · #575a5b

Split-complementary

Open in tool →

#585b57 · #575b5a

#5b5a57 · #575b58 · #57585b

Contrast

#5b575a as textRatioAAAA largeAAAFix
Aaon white
7.1:1passpasspassPasses AAA — no fix needed.
Aaon black
2.96:1failfailfail
  • AA: use #787376 as the text (4.51:1)
  • AAA: use #999497 as the text (7.04:1)
  • AA: or shift the background to #cfcfcf (4.56:1)
  • AAA: or shift the background to #ffffff (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b575a 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

#5b575a reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b575a
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 #5b575a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b575a-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