Color

#516152

#516152
hex#516152
rgbrgb(81, 97, 82)
hslhsl(124, 9%, 35%)
oklchoklch(0.474 0.031 146.8)
Closest name: Black Forest (#5e6354)Relative luminance 0.1091

Tints & shades

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

Harmonies

Complementary

Open in tool →

#615160

#586151 · #51615a

#525161 · #615251

Split-complementary

Open in tool →

#5a5161 · #615158

#515861 · #615160 · #615a51

Contrast

#516152 as textRatioAAAA largeAAAFix
Aaon white
6.6:1passpassfail
  • AAA: use #4d5c4e as the text (7.1:1)
Aaon black
3.18:1failpassfail
  • AA: use #667a67 as the text (4.54:1)
  • AAA: use #879b89 as the text (7.08:1)
  • AA: or shift the background to #d6d6d6 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #516152 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

#516152 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #516152
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 #516152 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516152-a2bea7-a24edf-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