Color

#78acb5

#78acb5
hex#78acb5
rgbrgb(120, 172, 181)
hslhsl(189, 29%, 59%)
oklchoklch(0.711 0.056 209.4)
Closest name: Blue Eye Samurai (#75aebd)Relative luminance 0.3683

Colors that go with #78acb5

Charcoal, Dark Salmon and Blue 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 #78acb5

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b58178

#78b5a0 · #788db5

#b578ac · #acb578

Split-complementary

Open in tool →

#b5788d · #b5a078

#a078b5 · #b58178 · #8db578

Contrast

#78acb5 as textRatioAAAA largeAAAFix
Aaon white
2.51:1failfailfail
  • AA: use #4a7e87 as the text (4.54:1)
  • AAA: use #385f66 as the text (7.01:1)
  • AA: or shift the background to #383838 (4.67:1)
  • AAA: or shift the background to #171717 (7.14:1)
Aaon black
8.37:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #78acb5 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 #78acb5
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 #78acb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78acb5-a2b7be-df4e7e-1f252d-e9f1ee?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