Color

#6c9899

#6c9899
hex#6c9899
rgbrgb(108, 152, 153)
hslhsl(181, 18%, 51%)
oklchoklch(0.648 0.048 197.8)
Closest name: Cavolo Nero (#72939e)Relative luminance 0.2794

Colors that go with #6c9899

Charcoal, Copper 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 #6c9899

Tints & shades

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

Harmonies

Complementary

Open in tool →

#996c6c

#6c9983 · #6c8199

#996c98 · #98996c

Split-complementary

Open in tool →

#996c81 · #99836c

#836c99 · #996c6c · #81996c

Contrast

#6c9899 as textRatioAAAA largeAAAFix
Aaon white
3.19:1failpassfail
  • AA: use #567b7b as the text (4.65:1)
  • AAA: use #415d5d as the text (7.12:1)
  • AA: or shift the background to #292929 (4.56:1)
Aaon black
6.59:1passpassfail
  • AAA: use #759e9f as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6c9899 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 #6c9899
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 #6c9899 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6c9899-a2babe-d45992-1f272d-e9f1ed?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