Color

#3dfffc

#3dfffc
hex#3dfffc
rgbrgb(61, 255, 252)
hslhsl(179, 100%, 62%)
oklchoklch(0.909 0.145 193.3)
Closest name: aqua (#00ffff)Relative luminance 0.7954

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff3d40

#3dff9b · #3da1ff

#fc3dff · #fffc3d

Split-complementary

Open in tool →

#ff3da1 · #ff9b3d

#9b3dff · #ff3d40 · #a1ff3d

Contrast

#3dfffc as textRatioAAAA largeAAAFix
Aaon white
1.24:1failfailfail
  • AA: use #00807d as the text (4.79:1)
  • AAA: use #00615f as the text (7.3:1)
  • AA: or shift the background to #666666 (4.62:1)
  • AAA: or shift the background to #4a4a4a (7.14:1)
Aaon black
16.91:1passpasspassPasses 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 #3dfffc 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 #3dfffc
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 #3dfffc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dfffc-a2bbbe-d45996-1f272d-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