Color

#515b34

#515b34
hex#515b34
rgbrgb(81, 91, 52)
hslhsl(75, 27%, 28%)
oklchoklch(0.452 0.06 120.6)
Closest name: Cypress (#585d40)Relative luminance 0.0948

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e345b

#5b5134 · #3e5b34

#34515b · #5b3451

Split-complementary

Open in tool →

#343e5b · #51345b

#345b51 · #3e345b · #5b343e

Contrast

#515b34 as textRatioAAAA largeAAAFix
Aaon white
7.25:1passpasspassPasses AAA — no fix needed.
Aaon black
2.9:1failfailfail
  • AA: use #6e7b47 as the text (4.59:1)
  • AAA: use #8e9f5b as the text (7.26:1)
  • AA: or shift the background to #cccccc (4.52:1)
  • AAA: or shift the background to #fcfcfc (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #515b34 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

#515b34 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #515b34
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 #515b34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/515b34-b4bea2-4e70df-242d1f-f1efe9?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