Color

#3dffdb

#3dffdb
hex#3dffdb
rgbrgb(61, 255, 219)
hslhsl(169, 100%, 62%)
oklchoklch(0.899 0.156 176.6)
Closest name: aquamarine (#7fffd4)Relative luminance 0.7763

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff3d61

#3dff7b · #3dc2ff

#db3dff · #ffdb3d

Split-complementary

Open in tool →

#ff3dc2 · #ff7b3d

#7b3dff · #ff3d61 · #c2ff3d

Contrast

#3dffdb as textRatioAAAA largeAAAFix
Aaon white
1.27:1failfailfail
  • AA: use #00856c as the text (4.59:1)
  • AAA: use #00614f as the text (7.44:1)
  • AA: or shift the background to #666666 (4.52:1)
  • AAA: or shift the background to #474747 (7.31:1)
Aaon black
16.53:1passpasspassPasses 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 #3dffdb 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 #3dffdb
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 #3dffdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dffdb-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