Color

#616d3c

#616d3c
hex#616d3c
rgbrgb(97, 109, 60)
hslhsl(75, 29%, 33%)
oklchoklch(0.512 0.073 120.3)
Closest name: Bancha (#666a47)Relative luminance 0.138

Colors that go with #616d3c

Charcoal, Royal Blue and Slate Blue 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 #616d3c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#483c6d

#6d603c · #486d3c

#3c606d · #6d3c60

Split-complementary

Open in tool →

#3c486d · #603c6d

#3c6d60 · #483c6d · #6d3c48

Contrast

#616d3c as textRatioAAAA largeAAAFix
Aaon white
5.58:1passpassfail
  • AAA: use #525c33 as the text (7.15:1)
Aaon black
3.76:1failpassfail
  • AA: use #6c7a43 as the text (4.5:1)
  • AAA: use #8c9e57 as the text (7.14:1)
  • AA: or shift the background to #e8e8e8 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #616d3c 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 #616d3c
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 #616d3c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/616d3c-b4bea2-4e70df-242d1f-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