Color

#815151

#815151
hex#815151
rgbrgb(129, 81, 81)
hslhsl(0, 23%, 41%)
oklchoklch(0.489 0.065 19.7)
Closest name: Annatto (#8c5341)Relative luminance 0.1115

Tints & shades

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

Harmonies

Complementary

Open in tool →

#518181

#815169 · #816951

#518151 · #515181

Split-complementary

Open in tool →

#518169 · #516981

#698151 · #518181 · #695181

Contrast

#815151 as textRatioAAAA largeAAAFix
Aaon white
6.5:1passpassfail
  • AAA: use #7a4d4d as the text (7.01:1)
Aaon black
3.23:1failpassfail
  • AA: use #9f6565 as the text (4.52:1)
  • AAA: use #b68b8b as the text (7.05:1)
  • AA: or shift the background to #d9d9d9 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #815151 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

#815151 reads as warm, muted, editorial. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #815151
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 #815151 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/815151-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