How to Darken Element Background Colors on Hover Without Affecting Transparency?

Darkening Element Background Color with CSS

Enhancing the user interface involves highlighting interactive elements, such as buttons, by altering their appearance. A common approach is to darken the background color upon hover.

Initially, one might attempt to adjust the opacity, but that affects both the color and transparency. A more targeted solution exists.

Method: Overlay a Dark Layer

Create a dark overlay using background-image. This method preserves the original text color while darkening the background.

Implement the overlay layer in CSS:

.Button {
  background-image: linear-gradient(rgb(0 0 0/40%) 0 0);
}

.Button:hover {
  background-color: /* Original background color */;
}

This technique automagically darkens any background color, even multiple colors as seen in the example:

<div class="button"> some text </div>
<div class="button">

By leveraging this overlay method, developers can easily darken element background colors on hover, enhancing user interactivity without the hassle of manually calculating darker shades.

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