Color

#3acb84

#3acb84
hex#3acb84
rgbrgb(58, 203, 132)
hslhsl(151, 58%, 51%)
oklchoklch(0.749 0.159 157)
Closest name: Emerald Green (#50c878)Relative luminance 0.4528

Colors that go with #3acb84

Charcoal, Blue and Cornflower 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 →

#cb3a80

#3acb3c · #3ac8cb

#843acb · #cb843a

Split-complementary

Open in tool →

#cb3ac8 · #cb3c3a

#3c3acb · #cb3a80 · #c8cb3a

Contrast

#3acb84 as textRatioAAAA largeAAAFix
Aaon white
2.09:1failfailfail
  • AA: use #238556 as the text (4.6:1)
  • AAA: use #1b6541 as the text (7.04:1)
  • AA: or shift the background to #454545 (4.59:1)
  • AAA: or shift the background to #262626 (7.25:1)
Aaon black
10.06:1passpasspassPasses 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 #3acb84 as the background.

Brands using this color

mcpConnect your agent — build around #3acb84
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 #3acb84 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3acb84-a2beb4-d459d0-1f2d2c-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