Color

#42eb24

#42eb24
hex#42eb24
rgbrgb(66, 235, 36)
hslhsl(111, 83%, 53%)
oklchoklch(0.822 0.261 141.3)
Closest name: Becquerel (#4bec13)Relative luminance 0.607

Colors that go with #42eb24

Deep Sky Blue, Violet and Hot Pink 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.

Real palettes that use #42eb24

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cd24eb

#a5eb24 · #24eb69

#2442eb · #eb2442

Split-complementary

Open in tool →

#6924eb · #eb24a5

#24a5eb · #cd24eb · #eb6924

Contrast

#42eb24 as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #1f870d as the text (4.64:1)
  • AAA: use #18670a as the text (7.04:1)
  • AA: or shift the background to #575757 (4.52:1)
  • AAA: or shift the background to #3b3b3b (7.01:1)
Aaon black
13.14:1passpasspassPasses 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 #42eb24 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 #42eb24
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 #42eb24 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42eb24-a3bea2-834edf-1f2d23-eef1e9?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