Color

#4dffe4

#4dffe4
hex#4dffe4
rgbrgb(77, 255, 228)
hslhsl(171, 100%, 65%)
oklchoklch(0.905 0.146 180.4)
Closest name: aquamarine (#7fffd4)Relative luminance 0.787

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff4d67

#4dff8b · #4dc1ff

#e44dff · #ffe44d

Split-complementary

Open in tool →

#ff4dc1 · #ff8b4d

#8b4dff · #ff4d67 · #c1ff4d

Contrast

#4dffe4 as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #008571 as the text (4.57:1)
  • AAA: use #006152 as the text (7.42:1)
  • AA: or shift the background to #666666 (4.58:1)
  • AAA: or shift the background to #4a4a4a (7.06:1)
Aaon black
16.74:1passpasspassPasses 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 #4dffe4 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 #4dffe4
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 #4dffe4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4dffe4-a2bebd-d459a7-1f292d-e9f1ec?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