Color

#02ca81

#02ca81
hex#02ca81
rgbrgb(2, 202, 129)
hslhsl(158, 98%, 40%)
oklchoklch(0.739 0.171 158.6)
Closest name: Emerald Green (#50c878)Relative luminance 0.4384

Colors that go with #02ca81

Charcoal, Mustard Yellow and Royal 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 →

#ca024b

#02ca1d · #02afca

#8102ca · #ca8102

Split-complementary

Open in tool →

#ca02af · #ca1d02

#1d02ca · #ca024b · #afca02

Contrast

#02ca81 as textRatioAAAA largeAAAFix
Aaon white
2.15:1failfailfail
  • AA: use #018857 as the text (4.51:1)
  • AAA: use #016540 as the text (7.15:1)
  • AA: or shift the background to #424242 (4.67:1)
  • AAA: or shift the background to #262626 (7.04:1)
Aaon black
9.77:1passpasspassPasses 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 #02ca81 as the background.

Brands using this color

mcpConnect your agent — build around #02ca81
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 #02ca81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/02ca81-a2beb7-d459c2-1f2c2d-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