Color

#616d55

#616d55
hex#616d55
rgbrgb(97, 109, 85)
hslhsl(90, 12%, 38%)
oklchoklch(0.518 0.039 129.3)
Closest name: Cactus (#5b6f55)Relative luminance 0.1413

Colors that go with #616d55

Charcoal, Slate Blue and Champagne lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #616d55

Tints & shades

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

Harmonies

Complementary

Open in tool →

#61556d

#6d6d55 · #556d55

#55616d · #6d5561

Split-complementary

Open in tool →

#55556d · #6d556d

#556d6d · #61556d · #6d5555

Contrast

#616d55 as textRatioAAAA largeAAAFix
Aaon white
5.49:1passpassfail
  • AAA: use #525b48 as the text (7.12:1)
Aaon black
3.83:1failpassfail
  • AA: use #6e7b60 as the text (4.67:1)
  • AAA: use #8c9a7e as the text (7.04:1)
  • AA: or shift the background to #ebebeb (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 #616d55 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 #616d55
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #616d55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/616d55-adbea2-514edf-202d1f-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