Color

#4d646f

#4d646f
hex#4d646f
rgbrgb(77, 100, 111)
hslhsl(199, 18%, 37%)
oklchoklch(0.489 0.033 228.7)
Closest name: Concrete Landscape (#5c606e)Relative luminance 0.1184

Colors that go with #4d646f

Charcoal, Sienna 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6f584d

#4d6f69 · #4d546f

#6f4d65 · #656f4d

Split-complementary

Open in tool →

#6f4d54 · #6f694d

#694d6f · #6f584d · #546f4d

Contrast

#4d646f as textRatioAAAA largeAAAFix
Aaon white
6.24:1passpassfail
  • AAA: use #475c66 as the text (7.02:1)
Aaon black
3.37:1failpassfail
  • AA: use #5e7a87 as the text (4.61:1)
  • AAA: use #819ba7 as the text (7.18:1)
  • AA: or shift the background to #dbdbdb (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d646f as the background.

Brands using this color

mcpConnect your agent — build around #4d646f
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 #4d646f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d646f-9cb3c4-df4e66-1f232d-e9f1f0?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