Color

#3ffdda

#3ffdda
hex#3ffdda
rgbrgb(63, 253, 218)
hslhsl(169, 98%, 62%)
oklchoklch(0.895 0.154 176.8)
Closest name: aquamarine (#7fffd4)Relative luminance 0.7637

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd3f62

#3ffd7b · #3fc1fd

#da3ffd · #fdda3f

Split-complementary

Open in tool →

#fd3fc1 · #fd7b3f

#7b3ffd · #fd3f62 · #c1fd3f

Contrast

#3ffdda as textRatioAAAA largeAAAFix
Aaon white
1.29:1failfailfail
  • AA: use #01836b as the text (4.71:1)
  • AAA: use #016553 as the text (7.03:1)
  • AA: or shift the background to #636363 (4.66:1)
  • AAA: or shift the background to #474747 (7.2:1)
Aaon black
16.27:1passpasspassPasses 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 #3ffdda 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 #3ffdda
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 #3ffdda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ffdda-a2bebc-d459ab-1f2a2d-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