Color

#3ec188

#3ec188
hex#3ec188
rgbrgb(62, 193, 136)
hslhsl(154, 51%, 50%)
oklchoklch(0.726 0.141 160.5)
Closest name: Bleached Olive (#55bb88)Relative luminance 0.4094

Colors that go with #3ec188

Charcoal, Hot Pink and Dark Olive Green 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 →

#c13e77

#3ec147 · #3eb8c1

#883ec1 · #c1883e

Split-complementary

Open in tool →

#c13eb8 · #c1473e

#473ec1 · #c13e77 · #b8c13e

Contrast

#3ec188 as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #2a835d as the text (4.66:1)
  • AAA: use #206447 as the text (7.06:1)
  • AA: or shift the background to #404040 (4.54:1)
  • AAA: or shift the background to #212121 (7.05:1)
Aaon black
9.19:1passpasspassPasses 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 #3ec188 as the background.

Brands using this color

mcpConnect your agent — build around #3ec188
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 #3ec188 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ec188-a2beb5-d459ca-1f2d2d-e9f1ea?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