Color

#3ff3d8

#3ff3d8
hex#3ff3d8
rgbrgb(63, 243, 216)
hslhsl(171, 88%, 60%)
oklchoklch(0.87 0.145 180.1)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.7012

Colors that go with #3ff3d8

Charcoal, Deep Sky Blue and Taupe lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f33f5a

#3ff37e · #3fb4f3

#d83ff3 · #f3d83f

Split-complementary

Open in tool →

#f33fb4 · #f37e3f

#7e3ff3 · #f33f5a · #b4f33f

Contrast

#3ff3d8 as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #08816f as the text (4.79:1)
  • AAA: use #066052 as the text (7.49:1)
  • AA: or shift the background to #5e5e5e (4.64:1)
  • AAA: or shift the background to #424242 (7.19:1)
Aaon black
15.02:1passpasspassPasses 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 #3ff3d8 as the background.

Brands using this color

mcpConnect your agent — build around #3ff3d8
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3ff3d8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ff3d8-a2bebd-d459a7-1f292d-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