Color

#42d142

#42d142
hex#42d142
rgbrgb(66, 209, 66)
hslhsl(120, 61%, 54%)
oklchoklch(0.757 0.219 143)
Closest name: Lime Green (#32cd32)Relative luminance 0.4715

Colors that go with #42d142

Blue, Taupe and Violet 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 →

#d142d1

#8ad142 · #42d18a

#4242d1 · #d14242

Split-complementary

Open in tool →

#8a42d1 · #d1428a

#428ad1 · #d142d1 · #d18a42

Contrast

#42d142 as textRatioAAAA largeAAAFix
Aaon white
2.01:1failfailfail
  • AA: use #218721 as the text (4.61:1)
  • AAA: use #196719 as the text (7.01:1)
  • AA: or shift the background to #474747 (4.61:1)
  • AAA: or shift the background to #2b2b2b (7.03:1)
Aaon black
10.43:1passpasspassPasses 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 #42d142 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #42d142
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 #42d142 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42d142-a2bea5-994edf-1f2d25-edf1e9?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