Color

#516752

#516752
hex#516752
rgbrgb(81, 103, 82)
hslhsl(123, 12%, 36%)
oklchoklch(0.489 0.042 146.1)
Closest name: Black Forest (#5e6354)Relative luminance 0.1206

Tints & shades

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

Harmonies

Complementary

Open in tool →

#675166

#5b6751 · #51675d

#525167 · #675251

Split-complementary

Open in tool →

#5d5167 · #67515b

#515b67 · #675166 · #675d51

Contrast

#516752 as textRatioAAAA largeAAAFix
Aaon white
6.16:1passpassfail
  • AAA: use #4a5e4b as the text (7.01:1)
Aaon black
3.41:1failpassfail
  • AA: use #607b62 as the text (4.51:1)
  • AAA: use #819c83 as the text (7.02:1)
  • AA: or shift the background to #dedede (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #516752 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #516752
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 #516752 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516752-a2bea6-a04edf-1f2d26-edf1e9?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