Color

#3ff3e4

#3ff3e4
hex#3ff3e4
rgbrgb(63, 243, 228)
hslhsl(175, 88%, 60%)
oklchoklch(0.874 0.141 186.5)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.7076

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f33f4e

#3ff38a · #3fa8f3

#e43ff3 · #f3e43f

Split-complementary

Open in tool →

#f33fa8 · #f38a3f

#8a3ff3 · #f33f4e · #a8f33f

Contrast

#3ff3e4 as textRatioAAAA largeAAAFix
Aaon white
1.39:1failfailfail
  • AA: use #088177 as the text (4.75:1)
  • AAA: use #066058 as the text (7.44:1)
  • AA: or shift the background to #5e5e5e (4.68:1)
  • AAA: or shift the background to #424242 (7.25:1)
Aaon black
15.15:1passpasspassPasses 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 #3ff3e4 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 #3ff3e4
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 #3ff3e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ff3e4-a2bdbe-d4599f-1f282d-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