Color

#4defdf

#4defdf
hex#4defdf
rgbrgb(77, 239, 223)
hslhsl(174, 84%, 62%)
oklchoklch(0.866 0.134 185.5)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6864

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef4d5d

#4def8e · #4daeef

#df4def · #efdf4d

Split-complementary

Open in tool →

#ef4dae · #ef8e4d

#8e4def · #ef4d5d · #aeef4d

Contrast

#4defdf as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #0b8377 as the text (4.64:1)
  • AAA: use #09635a as the text (7.13:1)
  • AA: or shift the background to #5e5e5e (4.55:1)
  • AAA: or shift the background to #424242 (7.05:1)
Aaon black
14.73:1passpasspassPasses 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 #4defdf as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

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

tool url/palettes/new/4defdf-a2bebe-d459a1-1f292d-e9f1ed?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