Color

#42eb56

#42eb56
hex#42eb56
rgbrgb(66, 235, 86)
hslhsl(127, 81%, 59%)
oklchoklch(0.826 0.235 144.7)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.6125

Colors that go with #42eb56

Taupe, Violet and Charcoal 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 →

#eb42d7

#83eb42 · #42ebaa

#5642eb · #eb5642

Split-complementary

Open in tool →

#aa42eb · #eb4283

#4283eb · #eb42d7 · #ebaa42

Contrast

#42eb56 as textRatioAAAA largeAAAFix
Aaon white
1.58:1failfailfail
  • AA: use #0e861c as the text (4.72:1)
  • AAA: use #0b6615 as the text (7.18:1)
  • AA: or shift the background to #575757 (4.56:1)
  • AAA: or shift the background to #3b3b3b (7.07:1)
Aaon black
13.25:1passpasspassPasses 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 #42eb56 as the background.

Brands using this color

mcpConnect your agent — build around #42eb56
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 #42eb56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42eb56-a2bea8-aa4edf-1f2d27-ecf1e9?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