#42F781 Hex Color
Online color picker to view shades, tints, color codes, and complementary colors
Closer to a highlighter than a leaf, this neon green glows with high saturation and lightness. The hex code #42f781 reads fresh and electric, so treat it as a 10% accent rather than a full background. It flatters deep navy and charcoal, and black text on it hits about 14.9:1 contrast, well past WCAG AA. A natural fit for eco branding, finance, and garden sites.
Questions about #42f781
What is #42f781 in RGB, HSL and CMYK?
In RGB, #42f781 is rgb(66, 247, 129), in HSL hsl(141, 92%, 61%) and in CMYK 73%, 0%, 48%, 3%.
What colors pair well with #42f781?
Deep navy and charcoal ground its brightness, while plum adds an unexpected warm contrast. Keep it to buttons, badges, or highlights at roughly 10% of the palette so its neon saturation never overwhelms a layout.
Is #42f781 readable on white or black?
#42f781 has a 1.41:1 contrast ratio on white and 14.85:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.