Color

#78d2d3

#78d2d3
hex#78d2d3
rgbrgb(120, 210, 211)
hslhsl(181, 51%, 65%)
oklchoklch(0.808 0.087 196.5)
Closest name: Hidden Sea Glass (#6fd1c9)Relative luminance 0.5479

Colors that go with #78d2d3

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 →

#d37a78

#78d3a7 · #78a4d3

#d378d2 · #d2d378

Split-complementary

Open in tool →

#d378a4 · #d3a778

#a778d3 · #d37a78 · #a4d378

Contrast

#78d2d3 as textRatioAAAA largeAAAFix
Aaon white
1.76:1failfailfail
  • AA: use #2a8183 as the text (4.6:1)
  • AAA: use #1f5f60 as the text (7.33:1)
  • AA: or shift the background to #4f4f4f (4.66:1)
  • AAA: or shift the background to #333333 (7.19:1)
Aaon black
11.96:1passpasspassPasses 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 #78d2d3 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

#78d2d3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #78d2d3
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 #78d2d3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78d2d3-a2babe-d45992-1f272d-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