Color

#778d9c

#778d9c
hex#778d9c
rgbrgb(119, 141, 156)
hslhsl(204, 16%, 54%)
oklchoklch(0.631 0.034 237.9)
Closest name: lightslategray (#778899)Relative luminance 0.2537

Colors that go with #778d9c

Charcoal, Copper and Burlywood 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 →

#9c8677

#779c99 · #777b9c

#9c778d · #8d9c77

Split-complementary

Open in tool →

#9c777b · #9c9977

#99779c · #9c8677 · #7b9c77

Contrast

#778d9c as textRatioAAAA largeAAAFix
Aaon white
3.46:1failpassfail
  • AA: use #637988 as the text (4.54:1)
  • AAA: use #495965 as the text (7.24:1)
  • AA: or shift the background to #212121 (4.66:1)
Aaon black
6.07:1passpassfail
  • AAA: use #869aa7 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #778d9c as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #778d9c
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 #778d9c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/778d9c-9cafc4-df4e5a-1f222d-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