Color

#3ecc9c

#3ecc9c
hex#3ecc9c
rgbrgb(62, 204, 156)
hslhsl(160, 58%, 52%)
oklchoklch(0.758 0.139 166)
Closest name: mediumaquamarine (#66cdaa)Relative luminance 0.4661

Colors that go with #3ecc9c

Charcoal, Hot Pink and 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 →

#cc3e6d

#3ecc55 · #3eb4cc

#9c3ecc · #cc9c3e

Split-complementary

Open in tool →

#cc3eb4 · #cc553e

#553ecc · #cc3e6d · #b4cc3e

Contrast

#3ecc9c as textRatioAAAA largeAAAFix
Aaon white
2.03:1failfailfail
  • AA: use #238564 as the text (4.55:1)
  • AAA: use #1a6149 as the text (7.37:1)
  • AA: or shift the background to #474747 (4.57:1)
  • AAA: or shift the background to #292929 (7.15:1)
Aaon black
10.32:1passpasspassPasses 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 #3ecc9c 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 #3ecc9c
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 #3ecc9c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ecc9c-a2beb8-d459be-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