Color

#3ec18a

#3ec18a
hex#3ec18a
rgbrgb(62, 193, 138)
hslhsl(155, 51%, 50%)
oklchoklch(0.726 0.14 161.3)
Closest name: Bleached Olive (#55bb88)Relative luminance 0.41

Colors that go with #3ec18a

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 →

#c13e75

#3ec149 · #3eb6c1

#8a3ec1 · #c18a3e

Split-complementary

Open in tool →

#c13eb6 · #c1493e

#493ec1 · #c13e75 · #b6c13e

Contrast

#3ec18a as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #2a835e as the text (4.66:1)
  • AAA: use #206448 as the text (7.05:1)
  • AA: or shift the background to #404040 (4.54:1)
  • AAA: or shift the background to #212121 (7.05:1)
Aaon black
9.2:1passpasspassPasses 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 #3ec18a as the background.

Brands using this color

mcpConnect your agent — build around #3ec18a
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 #3ec18a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ec18a-a2beb6-d459c8-1f2d2d-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