Color

#4defbc

#4defbc
hex#4defbc
rgbrgb(77, 239, 188)
hslhsl(161, 84%, 62%)
oklchoklch(0.856 0.152 167.8)
Closest name: Aphrodite Aqua (#45e9c1)Relative luminance 0.6694

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef4d80

#4def6b · #4dd2ef

#bc4def · #efbc4d

Split-complementary

Open in tool →

#ef4dd2 · #ef6b4d

#6b4def · #ef4d80 · #d2ef4d

Contrast

#4defbc as textRatioAAAA largeAAAFix
Aaon white
1.46:1failfailfail
  • AA: use #0b835d as the text (4.75:1)
  • AAA: use #096346 as the text (7.28:1)
  • AA: or shift the background to #5c5c5c (4.58:1)
  • AAA: or shift the background to #404040 (7.1:1)
Aaon black
14.39:1passpasspassPasses 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 #4defbc as the background.

Brands using this color

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

tool url/palettes/new/4defbc-a2beb8-d459bb-1f2c2d-e9f1eb?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