Color

#42e302

#42e302
hex#42e302
rgbrgb(66, 227, 2)
hslhsl(103, 98%, 45%)
oklchoklch(0.801 0.26 140.4)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.561

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a302e3

#b2e302 · #02e333

#0242e3 · #e30242

Split-complementary

Open in tool →

#3302e3 · #e302b2

#02b2e3 · #a302e3 · #e33302

Contrast

#42e302 as textRatioAAAA largeAAAFix
Aaon white
1.72:1failfailfail
  • AA: use #288801 as the text (4.55:1)
  • AAA: use #1d6501 as the text (7.21:1)
  • AA: or shift the background to #525252 (4.55:1)
  • AAA: or shift the background to #363636 (7.03:1)
Aaon black
12.22:1passpasspassPasses 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 #42e302 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 #42e302
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #42e302 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42e302-a6bea2-704edf-1f2d21-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