Color

#3ddbce

#3ddbce
hex#3ddbce
rgbrgb(61, 219, 206)
hslhsl(175, 69%, 55%)
oklchoklch(0.809 0.128 186.7)
Closest name: turquoise (#40e0d0)Relative luminance 0.5611

Colors that go with #3ddbce

Charcoal, Deep Sky Blue and Dodger Blue 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 →

#db3d4a

#3ddb7f · #3d99db

#ce3ddb · #dbce3d

Split-complementary

Open in tool →

#db3d99 · #db7f3d

#7f3ddb · #db3d4a · #99db3d

Contrast

#3ddbce as textRatioAAAA largeAAAFix
Aaon white
1.72:1failfailfail
  • AA: use #188178 as the text (4.72:1)
  • AAA: use #12635c as the text (7.08:1)
  • 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 #3ddbce 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 #3ddbce
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 #3ddbce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ddbce-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