Color

#3de1db

#3de1db
hex#3de1db
rgbrgb(61, 225, 219)
hslhsl(178, 73%, 56%)
oklchoklch(0.828 0.13 191.2)
Closest name: turquoise (#40e0d0)Relative luminance 0.5996

Colors that go with #3de1db

Charcoal, Light Coral and Crimson 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 →

#e13d42

#3de189 · #3d94e1

#db3de1 · #e1db3d

Split-complementary

Open in tool →

#e13d94 · #e1893d

#893de1 · #e13d42 · #94e13d

Contrast

#3de1db as textRatioAAAA largeAAAFix
Aaon white
1.62:1failfailfail
  • AA: use #158481 as the text (4.52:1)
  • AAA: use #0f615e as the text (7.26:1)
  • AA: or shift the background to #545454 (4.68:1)
  • AAA: or shift the background to #383838 (7.25:1)
Aaon black
12.99:1passpasspassPasses 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 #3de1db 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 #3de1db
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 #3de1db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3de1db-a2bcbe-d45999-1f282d-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