When adjusting the opacity of text, make sure you maintain a color contrast ratio so that all users - including those with disabilities related to vision - can see and read the text. See the Pen Text Opacity CSS by Christina Perricone ( on CodePen. Below, I’ll set a paragraph to be slightly transparent against a dark solid background color. To set the opacity of text and only text, then you need to use the CSS color property and RGBA color values. You can set the opacity of an entire element - the background, text within the element, the border, and everything else - using the opacity property. Setting the opacity of text in CSS is nearly identical to setting the opacity of the background of an element. To learn more about this and other color models, check out CSS Colors: What You Need to Know About HTML, Hex, RGB & HSL Color Values.
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See the Pen Setting Background Opacity with RGBA Color Code by Christina Perricone ( on CodePen. Let’s re-write the example above using the background property and RGBA color code. 0 is completely transparent and 1 is completely opaque. The fourth value - ranging from 0 to 1 - sets the transparency of the color. The first three numbers represent the intensity of the respective primary color ( red, blue, green) as an integer between 0 and 255. To do so, you simply add an “a” to the rgb() prefix and add four values inside the parentheses. What’s unique about the RGB color model is that you can control the color of an element and the opacity of that color. There’s also HTML color names and hex color codes, among other color models. RGB color codes is one way you can change the text color or background color of a web page in CSS. If you’d like to set the opacity of an element without affecting its child elements, then you need to use the CSS shorthand background property and RGBA color values instead. See the Pen Setting Background Opacity with the CSS Opacity Property by Christina Perricone ( on CodePen. That can make the text really difficult to read, as in the example below. In other words, if I style a div that contains text with the opacity property, then both the div and the text in the div will be transparent. But beware: The opacity property not only makes the styled element transparent - it also makes its child elements transparent. You can use the CSS opacity property to make the background of an element more transparent (or less).
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See the Pen How to Set Opacity in CSS by Christina Perricone ( on CodePen.Īnother way to set the opacity of an element is using RGBA color values. The divs in between are set to be varying degrees of translucent. The last is set to be completely transparent, which is why you can’t see it. The first div is set to be completely opaque.
Let’s look at an example of the same div element that’s styled differently with the opacity property.
If you set the property to 1, the element will be completely opaque.
If you set the property to 0, the styled element will be completely transparent (ie. Values for this property range from 0 to 1. To set the opacity of a background, image, text, or other element, you can use the CSS opacity property. Below we’ll walk through how to control the opacity of different elements, including: The following example will create a circle clipping area 100px in diameter around whatever image we add the class to.Like horizontal scrolling, web textures, and many other web design techniques, opacity and transparency are best used sparingly and intentionally.
Clip-pathĬlipping an image means that we hide parts of the images from view while showing others. Regions are dead and no alternatives have surfaced yet. Sure we’re still missing fragmentation primitives for the web and the purists seem to have won, so far. Some of these features are quite old in terms of when they were introduced but it wasn’t until I saw the work of Jenn Simmons, Jason Pamental and Andy Clarke that I started seeing the real possibilities of doing design on the web. In recent years there has been a lot of new features that make magazine-style layouts possible and enticing for designers to use and for developers to implement.
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