Color

#3eb174

#3eb174
hex#3eb174
rgbrgb(62, 177, 116)
hslhsl(148, 48%, 47%)
oklchoklch(0.68 0.138 156.3)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3373

Colors that go with #3eb174

Charcoal, Midnight Blue and Mustard Yellow 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 →

#b13e7c

#42b13e · #3eb1ae

#743eb1 · #b1743e

Split-complementary

Open in tool →

#ae3eb1 · #b13e42

#3e42b1 · #b13e7c · #b1ae3e

Contrast

#3eb174 as textRatioAAAA largeAAAFix
Aaon white
2.71:1failfailfail
  • AA: use #2e8456 as the text (4.61:1)
  • AAA: use #226240 as the text (7.27:1)
  • AA: or shift the background to #333333 (4.66:1)
  • AAA: or shift the background to #0f0f0f (7.07:1)
Aaon black
7.75:1passpasspassPasses 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 #3eb174 as the background.

Brands using this color

mcpConnect your agent — build around #3eb174
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 #3eb174 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3eb174-a2beb2-d259d4-1f2d2c-eaf1e9?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