#66DD37 Hex Color
Online color picker to view shades, tints, color codes, and complementary colors
This high-saturation green feels electric and youthful. Because #66dd37 is so bright, it works best as a punchy accent rather than a background color. Pair it with dark charcoal or deep navy for a modern, high-contrast look that pops. The hex code for this neon shade is #66dd37. It offers strong readability with black text, making it a reliable choice for buttons or notification icons.
Questions about #66dd37
What is #66dd37 in RGB, HSL and CMYK?
In RGB, #66dd37 is rgb(102, 221, 55), in HSL hsl(103, 71%, 54%) and in CMYK 54%, 0%, 75%, 13%.
How can I effectively use #66dd37 in web design without overwhelming the viewer?
Is #66dd37 readable on white or black?
#66dd37 has a 1.75:1 contrast ratio on white and 11.96:1 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.