Color

#516b33

#516b33
hex#516b33
rgbrgb(81, 107, 51)
hslhsl(88, 35%, 31%)
oklchoklch(0.493 0.087 129.6)
Closest name: darkolivegreen (#556b2f)Relative luminance 0.125

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d336b

#6b6933 · #356b33

#33516b · #6b3351

Split-complementary

Open in tool →

#33356b · #69336b

#336b69 · #4d336b · #6b3335

Contrast

#516b33 as textRatioAAAA largeAAAFix
Aaon white
6:1passpassfail
  • AAA: use #49602e as the text (7.01:1)
Aaon black
3.5:1failpassfail
  • AA: use #617f3d as the text (4.61:1)
  • AAA: use #7ba24e as the text (7.12:1)
  • AA: or shift the background to #e0e0e0 (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 #516b33 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 #516b33
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 #516b33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516b33-aebea2-4e51df-212d1f-f1f1e9?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