Color

#3eb690

#3eb690
hex#3eb690
rgbrgb(62, 182, 144)
hslhsl(161, 49%, 48%)
oklchoklch(0.7 0.121 168.1)
Closest name: Electra (#55b492)Relative luminance 0.3649

Colors that go with #3eb690

Charcoal, Hot Pink and Midnight 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 →

#b63e64

#3eb654 · #3ea0b6

#903eb6 · #b6903e

Split-complementary

Open in tool →

#b63ea0 · #b6543e

#543eb6 · #b63e64 · #a0b63e

Contrast

#3eb690 as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #2c8166 as the text (4.73:1)
  • AAA: use #22634e as the text (7.09:1)
  • AA: or shift the background to #383838 (4.63:1)
  • AAA: or shift the background to #171717 (7.08:1)
Aaon black
8.3:1passpasspassPasses 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 #3eb690 as the background.

Brands using this color

mcpConnect your agent — build around #3eb690
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 #3eb690 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3eb690-a2beb8-d459bb-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