Color

#3fdea7

#3fdea7
hex#3fdea7
rgbrgb(63, 222, 167)
hslhsl(159, 71%, 56%)
oklchoklch(0.806 0.152 165.1)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5609

Colors that go with #3fdea7

Charcoal, Blue and Mustard Yellow 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 →

#de3f77

#3fde57 · #3fc7de

#a73fde · #dea73f

Split-complementary

Open in tool →

#de3fc7 · #de573f

#573fde · #de3f77 · #c7de3f

Contrast

#3fdea7 as textRatioAAAA largeAAAFix
Aaon white
1.72:1failfailfail
  • AA: use #16835d as the text (4.73:1)
  • AAA: use #116447 as the text (7.15:1)
  • AA: or shift the background to #525252 (4.55:1)
  • AAA: or shift the background to #363636 (7.03:1)
Aaon black
12.22:1passpasspassPasses 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 #3fdea7 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 #3fdea7
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 #3fdea7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fdea7-a2beb8-d459c0-1f2c2d-e9f1eb?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