Color

#78e2dd

#78e2dd
hex#78e2dd
rgbrgb(120, 226, 221)
hslhsl(177, 65%, 68%)
oklchoklch(0.848 0.099 191.4)
Closest name: Cold Blue (#88dddd)Relative luminance 0.6361

Colors that go with #78e2dd

Charcoal, Light Coral and Deep Sky 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e2787e

#78e2a8 · #78b3e2

#dd78e2 · #e2dd78

Split-complementary

Open in tool →

#e278b3 · #e2a878

#a878e2 · #e2787e · #b3e278

Contrast

#78e2dd as textRatioAAAA largeAAAFix
Aaon white
1.53:1failfailfail
  • AA: use #1c827d as the text (4.63:1)
  • AAA: use #15615d as the text (7.24:1)
  • AA: or shift the background to #595959 (4.58:1)
  • AAA: or shift the background to #3d3d3d (7.1:1)
Aaon black
13.72:1passpasspassPasses 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 #78e2dd 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 #78e2dd
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 #78e2dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78e2dd-a2bcbe-d4599b-1f282d-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