Color

#78b5dd

#78b5dd
hex#78b5dd
rgbrgb(120, 181, 221)
hslhsl(204, 60%, 67%)
oklchoklch(0.747 0.086 238.2)
Closest name: Birdie Num Num (#89acda)Relative luminance 0.4226

Colors that go with #78b5dd

Charcoal, Dark Salmon and Amber 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 →

#dda178

#78ddd3 · #7882dd

#dd78b5 · #b5dd78

Split-complementary

Open in tool →

#dd7882 · #ddd378

#d378dd · #dda178 · #82dd78

Contrast

#78b5dd as textRatioAAAA largeAAAFix
Aaon white
2.22:1failfailfail
  • AA: use #2c7baf as the text (4.61:1)
  • AAA: use #215b83 as the text (7.27:1)
  • AA: or shift the background to #424242 (4.52:1)
  • AAA: or shift the background to #212121 (7.25:1)
Aaon black
9.45:1passpasspassPasses 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 #78b5dd 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

#78b5dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #78b5dd
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 #78b5dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/78b5dd-9cafc4-df4e5a-1f222d-e9f1f0?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