Color

#4ecbd4

#4ecbd4
hex#4ecbd4
rgbrgb(78, 203, 212)
hslhsl(184, 61%, 57%)
oklchoklch(0.777 0.109 201.9)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.4909

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d4574e

#4ed49a · #4e88d4

#d44ecb · #cbd44e

Split-complementary

Open in tool →

#d44e88 · #d49a4e

#9a4ed4 · #d4574e · #88d44e

Contrast

#4ecbd4 as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #218187 as the text (4.61:1)
  • AAA: use #196167 as the text (7.13:1)
  • AA: or shift the background to #4a4a4a (4.56:1)
  • AAA: or shift the background to #2b2b2b (7.29:1)
Aaon black
10.82:1passpasspassPasses 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 #4ecbd4 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

#4ecbd4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4ecbd4
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 #4ecbd4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ecbd4-a2b9be-df4e8a-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