Color

#4ecbdf

#4ecbdf
hex#4ecbdf
rgbrgb(78, 203, 223)
hslhsl(188, 69%, 59%)
oklchoklch(0.781 0.112 209.9)
Closest name: darkturquoise (#00ced1)Relative luminance 0.4966

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df624e

#4edfaa · #4e83df

#df4ecb · #cbdf4e

Split-complementary

Open in tool →

#df4e83 · #dfaa4e

#aa4edf · #df624e · #83df4e

Contrast

#4ecbdf as textRatioAAAA largeAAAFix
Aaon white
1.92:1failfailfail
  • AA: use #1a7f8e as the text (4.7:1)
  • AAA: use #14606c as the text (7.19:1)
  • AA: or shift the background to #4a4a4a (4.61:1)
  • AAA: or shift the background to #2e2e2e (7.07:1)
Aaon black
10.93:1passpasspassPasses 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 #4ecbdf 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

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

mcpConnect your agent — build around #4ecbdf
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 #4ecbdf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ecbdf-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