Color

#42eb42

#42eb42
hex#42eb42
rgbrgb(66, 235, 66)
hslhsl(120, 81%, 59%)
oklchoklch(0.824 0.248 142.9)
Closest name: Becquerel (#4bec13)Relative luminance 0.6097

Colors that go with #42eb42

Taupe, Violet and Dark Orange 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 →

#eb42eb

#96eb42 · #42eb96

#4242eb · #eb4242

Split-complementary

Open in tool →

#9642eb · #eb4296

#4296eb · #eb42eb · #eb9642

Contrast

#42eb42 as textRatioAAAA largeAAAFix
Aaon white
1.59:1failfailfail
  • AA: use #0f8a0f as the text (4.5:1)
  • AAA: use #0b660b as the text (7.19:1)
  • AA: or shift the background to #575757 (4.54:1)
  • AAA: or shift the background to #3b3b3b (7.04:1)
Aaon black
13.19:1passpasspassPasses 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 #42eb42 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 #42eb42
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 #42eb42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42eb42-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