#42D863 Hex Color
A high-energy, vibrant electric green
#42d863 is a high-chroma green that demands attention. Because of its extreme saturation, it works best as an accent color for buttons or small UI elements rather than a background. It pairs well with charcoal or dark grays to balance the intensity. The hex code #42d863 provides exceptional contrast against black text, making it a reliable choice for functional, readable interface designs.
Questions about #42d863
What is #42d863 in RGB, HSL and CMYK?
In RGB, #42d863 is rgb(66, 216, 99), in HSL hsl(133, 66%, 55%) and in CMYK 69%, 0%, 54%, 15%.
How should I use #42d863 in a user interface?
#42d863 is highly saturated and functions best as a small-scale accent color for primary buttons, notification badges, or interactive toggles. Avoid using it as a background color, as its intensity can cause eye strain and overwhelm the content.
What colors pair best with #42d863?
This green pairs most effectively with charcoal or deep slate grays, which ground the intensity of the hue. These dark neutrals provide enough contrast to keep the design readable while allowing the vibrancy of the green to stand out.
Is #42d863 readable on white or black?
#42d863 has a 1.86:1 contrast ratio on white and 11.23:1 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.