Color

#78dde2

#78dde2
hex#78dde2
rgbrgb(120, 221, 226)
hslhsl(183, 65%, 68%)
oklchoklch(0.838 0.095 199.7)
Closest name: Cold Blue (#88dddd)Relative luminance 0.612

Colors that go with #78dde2

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 →

#e27e78

#78e2b3 · #78a8e2

#e278dd · #dde278

Split-complementary

Open in tool →

#e278a8 · #e2b378

#b378e2 · #e27e78 · #a8e278

Contrast

#78dde2 as textRatioAAAA largeAAAFix
Aaon white
1.59:1failfailfail
  • AA: use #1d8187 as the text (4.62:1)
  • AAA: use #156165 as the text (7.17:1)
  • AA: or shift the background to #575757 (4.56:1)
  • AAA: or shift the background to #3b3b3b (7.06:1)
Aaon black
13.24:1passpasspassPasses 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 #78dde2 as the background.

Brands using this color

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

Fonts for this mood

#78dde2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #78dde2
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 #78dde2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78dde2-a2b9be-d4598e-1f262d-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