This RGBA and Hex color generator lets you dial in a color with red, green, blue, and opacity (alpha) sliders, then instantly see the result and copy the matching CSS. Enter a Hex value to convert it to RGBA, or adjust the sliders to go the other way. The tool outputs RGB, RGBA, and Hex code side by side so you can drop the exact format your stylesheet needs directly into properties like color, background-color, or border. Looking for cool fonts too? Try our Font Keyboard app on iOS and Android.

Frequently Asked Questions

What is the difference between RGBA and Hex colors in CSS?

Both define the same colors, but Hex uses a hexadecimal string like #FF6550 while RGB/RGBA lists decimal channel values, e.g. rgb(255, 101, 80). RGBA adds a fourth alpha value for opacity, such as rgba(255, 101, 80, 0.4).

How do I add transparency to a color in CSS?

Use the RGBA format and set the alpha value between 0 (fully transparent) and 1 (fully opaque). For example, rgba(255, 101, 80, 0.4) renders the color at 40% opacity. You can adjust the Opacity (Alpha) slider here to preview it.

Can Hex codes include transparency?

Yes, modern browsers support 8-digit Hex with an alpha channel, such as #FF6550CC, and 4-digit shorthand like #F65C. For broad legacy support, RGBA remains the safest way to express opacity.

Is the RGBA color format supported in all browsers?

RGBA has been supported in every modern browser for years, including all current versions of Chrome, Firefox, Safari, and Edge. Only very old browsers like Internet Explorer 8 and earlier lack support.