Color

#78d0dd

#78d0dd
hex#78d0dd
rgbrgb(120, 208, 221)
hslhsl(188, 60%, 67%)
oklchoklch(0.807 0.087 207.8)
Closest name: Sky Blue (#87ceeb)Relative luminance 0.5433

Colors that go with #78d0dd

Charcoal, Dark Salmon and Crimson 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 →

#dd8678

#78ddb8 · #789ddd

#dd78d0 · #d0dd78

Split-complementary

Open in tool →

#dd789d · #ddb878

#b878dd · #dd8678 · #9ddd78

Contrast

#78d0dd as textRatioAAAA largeAAAFix
Aaon white
1.77:1failfailfail
  • AA: use #24818f as the text (4.55:1)
  • AAA: use #1b5f6a as the text (7.26:1)
  • AA: or shift the background to #4f4f4f (4.63:1)
  • AAA: or shift the background to #333333 (7.14:1)
Aaon black
11.87:1passpasspassPasses 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 #78d0dd as the background.

Brands using this color

Fonts for this mood

#78d0dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #78d0dd
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 #78d0dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78d0dd-a2b7be-df4e81-1f252d-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