Color

#615151

#615151
hex#615151
rgbrgb(97, 81, 81)
hslhsl(0, 9%, 35%)
oklchoklch(0.451 0.021 18)
Closest name: Bark (#5f5854)Relative luminance 0.0902

Tints & shades

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

Harmonies

Complementary

Open in tool →

#516161

#615159 · #615951

#516151 · #515161

Split-complementary

Open in tool →

#516159 · #515961

#596151 · #516161 · #595161

Contrast

#615151 as textRatioAAAA largeAAAFix
Aaon white
7.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.8:1failfailfail
  • AA: use #856f6f as the text (4.5:1)
  • AAA: use #a59393 as the text (7.19:1)
  • AA: or shift the background to #c9c9c9 (4.52:1)
  • AAA: or shift the background to #fafafa (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #615151 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

#615151 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #615151
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 #615151 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/615151-c4a19c-62cb98-2d251f-f1e9ed?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