Color

#3cd3b9

#3cd3b9
hex#3cd3b9
rgbrgb(60, 211, 185)
hslhsl(170, 63%, 53%)
oklchoklch(0.783 0.129 178.5)
Closest name: mediumaquamarine (#66cdaa)Relative luminance 0.5105

Colors that go with #3cd3b9

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 →

#d33c55

#3cd36e · #3ca0d3

#b93cd3 · #d3b93c

Split-complementary

Open in tool →

#d33ca0 · #d36e3c

#6e3cd3 · #d33c55 · #a0d33c

Contrast

#3cd3b9 as textRatioAAAA largeAAAFix
Aaon white
1.87:1failfailfail
  • AA: use #1e8574 as the text (4.5:1)
  • AAA: use #176457 as the text (7.01:1)
  • AA: or shift the background to #4d4d4d (4.51:1)
  • AAA: or shift the background to #303030 (7.05:1)
Aaon black
11.21:1passpasspassPasses 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 #3cd3b9 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 #3cd3b9
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 #3cd3b9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cd3b9-a2bebd-d459a9-1f292d-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