Color

#77899c

#77899c
hex#77899c
rgbrgb(119, 137, 156)
hslhsl(211, 16%, 54%)
oklchoklch(0.622 0.036 249.8)
Closest name: lightslategray (#778899)Relative luminance 0.2421

Colors that go with #77899c

Charcoal, Copper 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 →

#9c8a77

#779c9c · #78779c

#9c7789 · #899c77

Split-complementary

Open in tool →

#9c7877 · #9c9c77

#9c779c · #9c8a77 · #779c78

Contrast

#77899c as textRatioAAAA largeAAAFix
Aaon white
3.59:1failpassfail
  • AA: use #65778b as the text (4.6:1)
  • AAA: use #4b5968 as the text (7.17:1)
  • AA: or shift the background to #1f1f1f (4.59:1)
Aaon black
5.84:1passpassfail
  • AAA: use #8998a9 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #77899c as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #77899c
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 #77899c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/77899c-9cabc4-df534e-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