Color

#3cd3b2

#3cd3b2
hex#3cd3b2
rgbrgb(60, 211, 178)
hslhsl(167, 63%, 53%)
oklchoklch(0.781 0.133 174.5)
Closest name: mediumaquamarine (#66cdaa)Relative luminance 0.5076

Colors that go with #3cd3b2

Charcoal, Crimson and Deep Sky 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 →

#d33c5c

#3cd366 · #3ca8d3

#b23cd3 · #d3b23c

Split-complementary

Open in tool →

#d33ca8 · #d3663c

#663cd3 · #d33c5c · #a8d33c

Contrast

#3cd3b2 as textRatioAAAA largeAAAFix
Aaon white
1.88:1failfailfail
  • AA: use #1e856f as the text (4.53:1)
  • AAA: use #176453 as the text (7.04:1)
  • AA: or shift the background to #4a4a4a (4.71:1)
  • AAA: or shift the background to #303030 (7.01:1)
Aaon black
11.15:1passpasspassPasses 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 #3cd3b2 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 #3cd3b2
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 #3cd3b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cd3b2-a2bebb-d459af-1f2a2d-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