Color

#5dd2e5

#5dd2e5
hex#5dd2e5
rgbrgb(93, 210, 229)
hslhsl(188, 72%, 63%)
oklchoklch(0.804 0.108 209.7)
Closest name: Sky Blue (#87ceeb)Relative luminance 0.5408

Colors that go with #5dd2e5

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 →

#e56f5d

#5de5b3 · #5d8fe5

#e55dd2 · #d2e55d

Split-complementary

Open in tool →

#e55d8f · #e5b35d

#b35de5 · #e56f5d · #8fe55d

Contrast

#5dd2e5 as textRatioAAAA largeAAAFix
Aaon white
1.78:1failfailfail
  • AA: use #188191 as the text (4.58:1)
  • AAA: use #12616e as the text (7.09:1)
  • AA: or shift the background to #4f4f4f (4.61:1)
  • AAA: or shift the background to #333333 (7.11:1)
Aaon black
11.82:1passpasspassPasses 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 #5dd2e5 as the background.

Brands using this color

Fonts for this mood

#5dd2e5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5dd2e5
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 #5dd2e5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5dd2e5-a2b7be-df4e81-1f252d-e9f1ee?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