How Can I Overlay a Translucent Color Over a Background Image Using CSS?

Layer Translucent Color over Background Image

You mentioned encountering an issue while attempting to overlay a translucent color layer over a background image using CSS. Let's explore how to achieve this effect effectively.

Your initial approach using both background-image and background-color is technically correct but doesn't produce the desired result because the background-color property overrides the background image. To resolve this, you can consider the following alternative:

background-image: url('../img/bg/diagonalnoise.png');
background-color: rgba(248, 247, 216, 0.7);
background-blend-mode: overlay;

The background-blend-mode property allows you to specify how multiple background layers interact. In this case, the overlay blend mode superimposes the translucent color onto the background image, creating a semi-transparent layer.

Another approach that solely relies on CSS is to utilize the box-shadow property:

box-shadow: inset 0 0 0 1000px rgba(0,0,0,.2);

By specifying an inner, transparent box shadow, you can effectively create a colored layer that overlays the background image. This technique has the advantage of being a pure CSS solution, without requiring any additional HTML elements.

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