Color

#5dd2ef

#5dd2ef
hex#5dd2ef
rgbrgb(93, 210, 239)
hslhsl(192, 82%, 65%)
oklchoklch(0.808 0.112 216.8)
Closest name: Sky Blue (#87ceeb)Relative luminance 0.5465

Colors that go with #5dd2ef

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 →

#ef7a5d

#5defc3 · #5d88ef

#ef5dd2 · #d2ef5d

Split-complementary

Open in tool →

#ef5d88 · #efc35d

#c35def · #ef7a5d · #88ef5d

Contrast

#5dd2ef as textRatioAAAA largeAAAFix
Aaon white
1.76:1failfailfail
  • AA: use #10819e as the text (4.51:1)
  • AAA: use #0b5f74 as the text (7.23:1)
  • AA: or shift the background to #4f4f4f (4.65:1)
  • AAA: or shift the background to #333333 (7.18:1)
Aaon black
11.93:1passpasspassPasses 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 #5dd2ef as the background.

Brands using this color

Fonts for this mood

#5dd2ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5dd2ef
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 #5dd2ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5dd2ef-a2b5be-df4e77-1f242d-e9f1ef?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