RGBA code for red color

rgba
jay picture jay · Mar 6, 2011 · Viewed 78.2k times · Source

I'm looking for RGBA code for red color with opacity: Can someone tell me how can i find about it?(or where i can learn more about RGBA colors? Thanks.

Answer

McKayla picture McKayla · Mar 6, 2011 
rgba(red, green, blue, alpha)

The range for red, green and blue is 0-255. The high the number, the more presence the color shows.

The range for alpha is 0.0-1.0. The higher the number, the higher the opacity.

Fully opaque red would be rgba(255, 0, 0, 1)

Related questions

CSS background opacity with rgba not working in IE 8

I am using this CSS for background opacity of a <div>: background: rgba(255, 255, 255, 0.3); It’s working fine in Firefox, but not in IE 8. How do I make it work?

Read More
CSS hexadecimal RGBA?

I know you can write ... background-color: #ff0000; ... if you want something that is red. And you can write ... background-color: rgba(255, 0, 0, 0.5); ... if you want something red and translucent. Is there any terse way of writing partially transparent colors in hexadecimal? I …

Read More
Sass - Converting Hex to RGBa for background opacity

I have the following Sass mixin, which is a half complete modification of an RGBa example: @mixin background-opacity($color, $opacity: .3) { background: rgb(200, 54, 54); /* The Fallback */ background: rgba(200, 54, 54, $opacity); } I have applied $opacity ok, but now I am a stuck with the $…

Read More