Color

#42eb05

#42eb05
hex#42eb05
rgbrgb(66, 235, 5)
hslhsl(104, 96%, 47%)
oklchoklch(0.822 0.267 140.6)
Closest name: Becquerel (#4bec13)Relative luminance 0.6059

Colors that go with #42eb05

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ae05eb

#b5eb05 · #05eb3a

#0542eb · #eb0542

Split-complementary

Open in tool →

#3a05eb · #eb05b5

#05b5eb · #ae05eb · #eb3a05

Contrast

#42eb05 as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #268703 as the text (4.62:1)
  • AAA: use #1c6402 as the text (7.31:1)
  • AA: or shift the background to #575757 (4.51:1)
  • AAA: or shift the background to #383838 (7.32:1)
Aaon black
13.12:1passpasspassPasses 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 #42eb05 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 #42eb05
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 #42eb05 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42eb05-a6bea2-724edf-1f2d22-eff1e9?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