Color

#656b57

#656b57
hex#656b57
rgbrgb(101, 107, 87)
hslhsl(78, 10%, 38%)
oklchoklch(0.517 0.031 121.1)
Closest name: Italian Basil (#5f6957)Relative luminance 0.1397

Colors that go with #656b57

Charcoal, Slate Blue and Blush Pink 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 #656b57

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5d576b

#6b6757 · #5b6b57

#57656b · #6b5765

Split-complementary

Open in tool →

#575b6b · #67576b

#576b67 · #5d576b · #6b575b

Contrast

#656b57 as textRatioAAAA largeAAAFix
Aaon white
5.53:1passpassfail
  • AAA: use #555a49 as the text (7.13:1)
Aaon black
3.79:1failpassfail
  • AA: use #727963 as the text (4.63:1)
  • AAA: use #919881 as the text (7.01:1)
  • AA: or shift the background to #e8e8e8 (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 #656b57 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 #656b57
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 #656b57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/656b57-b2bea2-4e69df-232d1f-f1f0e9?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