Color

#78dddd

#78dddd
hex#78dddd
rgbrgb(120, 221, 221)
hslhsl(180, 60%, 67%)
oklchoklch(0.837 0.095 195.5)
Closest name: Cold Blue (#88dddd)Relative luminance 0.6093

Colors that go with #78dddd

Charcoal, Deep Sky Blue and Dark Salmon 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 →

#dd7878

#78ddab · #78abdd

#dd78dd · #dddd78

Split-complementary

Open in tool →

#dd78ab · #ddab78

#ab78dd · #dd7878 · #abdd78

Contrast

#78dddd as textRatioAAAA largeAAAFix
Aaon white
1.59:1failfailfail
  • AA: use #218383 as the text (4.53:1)
  • AAA: use #186262 as the text (7.09:1)
  • AA: or shift the background to #575757 (4.54:1)
  • AAA: or shift the background to #3b3b3b (7.03:1)
Aaon black
13.19:1passpasspassPasses 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 #78dddd as the background.

Brands using this color

Fonts for this mood

#78dddd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #78dddd
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 #78dddd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78dddd-a2bbbe-d45994-1f272d-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