Grainy Gradients | CSS-Tricks - CSS-Tricks css-tricks.com/grainy-gradientsPrivate View We can take advantage of the CSS property mix-blend-mode to smoothly blend gradients and selectively filter the colors we want to see in the noise. In the “shadow” example, we create a dark gradient, and invert it to create the effect in the “light” example. In both cases, mix-blend-mode allows us to blend it with other gradients.