Color

#4ed3e4

#4ed3e4
hex#4ed3e4
rgbrgb(78, 211, 228)
hslhsl(187, 74%, 60%)
oklchoklch(0.802 0.116 207.1)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5381

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#e45f4e

#4ee4ab · #4e87e4

#e44ed3 · #d3e44e

Split-complementary

Open in tool →

#e44e87 · #e4ab4e

#ab4ee4 · #e45f4e · #87e44e

Contrast

#4ed3e4 as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • AA: use #15808e as the text (4.66:1)
  • AAA: use #10606a as the text (7.23:1)
  • AA: or shift the background to #4f4f4f (4.59:1)
  • AAA: or shift the background to #333333 (7.08:1)
Aaon black
11.76:1passpasspassPasses 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 #4ed3e4 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

#4ed3e4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4ed3e4
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #4ed3e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ed3e4-a2b8be-df4e83-1f262d-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