Color

#3ff3ea

#3ff3ea
hex#3ff3ea
rgbrgb(63, 243, 234)
hslhsl(177, 88%, 60%)
oklchoklch(0.876 0.139 189.8)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.711

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f33f48

#3ff390 · #3fa2f3

#ea3ff3 · #f3ea3f

Split-complementary

Open in tool →

#f33fa2 · #f3903f

#903ff3 · #f33f48 · #a2f33f

Contrast

#3ff3ea as textRatioAAAA largeAAAFix
Aaon white
1.38:1failfailfail
  • AA: use #08817b as the text (4.73:1)
  • AAA: use #06605b as the text (7.42:1)
  • AA: or shift the background to #5e5e5e (4.7:1)
  • AAA: or shift the background to #424242 (7.28:1)
Aaon black
15.22:1passpasspassPasses 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 #3ff3ea 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 #3ff3ea
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 #3ff3ea and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ff3ea-a2bcbe-d4599b-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