Color

#616b33

#616b33
hex#616b33
rgbrgb(97, 107, 51)
hslhsl(71, 35%, 31%)
oklchoklch(0.506 0.08 117.7)
Closest name: darkolivegreen (#556b2f)Relative luminance 0.133

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e336b

#6b5933 · #456b33

#33616b · #6b3361

Split-complementary

Open in tool →

#33456b · #59336b

#336b59 · #3e336b · #6b3345

Contrast

#616b33 as textRatioAAAA largeAAAFix
Aaon white
5.74:1passpassfail
  • AAA: use #545d2d as the text (7.05:1)
Aaon black
3.66:1failpassfail
  • AA: use #707c3c as the text (4.64:1)
  • AAA: use #8f9e4c as the text (7.16:1)
  • AA: or shift the background to #e6e6e6 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #616b33 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #616b33
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 #616b33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/616b33-b6bea2-4e7adf-252d1f-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