Color

#515b2a

#515b2a
hex#515b2a
rgbrgb(81, 91, 42)
hslhsl(72, 37%, 26%)
oklchoklch(0.45 0.072 118.9)
Closest name: Greenhouse (#3e6334)Relative luminance 0.094

Tints & shades

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

Harmonies

Complementary

Open in tool →

#342a5b

#5b4c2a · #385b2a

#2a515b · #5b2a51

Split-complementary

Open in tool →

#2a385b · #4c2a5b

#2a5b4c · #342a5b · #5b2a38

Contrast

#515b2a as textRatioAAAA largeAAAFix
Aaon white
7.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.88:1failfailfail
  • AA: use #707e3a as the text (4.73:1)
  • AAA: use #8c9d48 as the text (7.03:1)
  • AA: or shift the background to #cccccc (4.54:1)
  • AAA: or shift the background to #fcfcfc (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #515b2a 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

#515b2a reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #515b2a
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 #515b2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/515b2a-b5bea2-4e77df-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