Color

#5e666e

#5e666e
hex#5e666e
rgbrgb(94, 102, 110)
hslhsl(210, 8%, 40%)
oklchoklch(0.506 0.016 248.1)
Closest name: Alley Cat (#656874)Relative luminance 0.1301

Colors that go with #5e666e

Charcoal, Champagne and Copper 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6e665e

#5e6e6e · #5e5e6e

#6e5e66 · #666e5e

Split-complementary

Open in tool →

#6e5e5e · #6e6e5e

#6e5e6e · #6e665e · #5e6e5e

Contrast

#5e666e as textRatioAAAA largeAAAFix
Aaon white
5.83:1passpassfail
  • AAA: use #525960 as the text (7.1:1)
Aaon black
3.6:1failpassfail
  • AA: use #6e7881 as the text (4.67:1)
  • AAA: use #8e969f as the text (7.01:1)
  • AA: or shift the background to #e3e3e3 (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 #5e666e as the background.

Brands using this color

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

Fonts for this mood

#5e666e reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5e666e
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 #5e666e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5e666e-9cabc4-df514e-1f202d-e9f1f1?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