Color

#78d3d2

#78d3d2
hex#78d3d2
rgbrgb(120, 211, 210)
hslhsl(179, 51%, 65%)
oklchoklch(0.81 0.087 194.6)
Closest name: Hidden Sea Glass (#6fd1c9)Relative luminance 0.5523

Colors that go with #78d3d2

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 →

#d3787a

#78d3a4 · #78a7d3

#d278d3 · #d3d278

Split-complementary

Open in tool →

#d378a7 · #d3a478

#a478d3 · #d3787a · #a7d378

Contrast

#78d3d2 as textRatioAAAA largeAAAFix
Aaon white
1.74:1failfailfail
  • AA: use #2a8381 as the text (4.5:1)
  • AAA: use #1f605f as the text (7.25:1)
  • AA: or shift the background to #4f4f4f (4.7:1)
  • AAA: or shift the background to #333333 (7.25:1)
Aaon black
12.05:1passpasspassPasses 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 #78d3d2 as the background.

Brands using this color

mcpConnect your agent — build around #78d3d2
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 #78d3d2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78d3d2-a2bbbe-d45996-1f272d-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