Color

#516a4e

#516a4e
hex#516a4e
rgbrgb(81, 106, 78)
hslhsl(114, 15%, 36%)
oklchoklch(0.496 0.053 142)
Closest name: Cactus (#5b6f55)Relative luminance 0.1261

Tints & shades

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

Harmonies

Complementary

Open in tool →

#674e6a

#5f6a4e · #4e6a59

#4e516a · #6a4e51

Split-complementary

Open in tool →

#594e6a · #6a4e5f

#4e5f6a · #674e6a · #6a594e

Contrast

#516a4e as textRatioAAAA largeAAAFix
Aaon white
5.96:1passpassfail
  • AAA: use #485e45 as the text (7.09:1)
Aaon black
3.52:1failpassfail
  • AA: use #607e5d as the text (4.64:1)
  • AAA: use #81a07e as the text (7.26:1)
  • AA: or shift the background to #e0e0e0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #516a4e 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 #516a4e
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 #516a4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516a4e-a2bea2-8a4edf-1f2d24-eef1e9?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