Created by Alex Lende
Beginning with WordPress 5.8, you can colorize your image and cover blocks with duotone filters! Duotone can add a pop of color to your designs and style your images to integrate well with your themes.
Filters? Like on Instagram?
Duotone doesn’t work in quite the same way as Instagram filters. Whereas Instagram filters do color adjustments (color levels/curves and sometimes a vignette for the photo editors among us), the new duotone filters entirely replace the colors of your images.
Photo by Charles Pragnell.
You can think of the duotone effect as a black and white filter, but instead of the shadows being black and the highlights being white, you pick your own colors for the shadows and highlights.
For example, a grayscale filter can be created by selecting black and white as shadow/highlight colors, and a sepia filter by choosing brown and tan.
Analogous colors can add a subtle effect and work well for cover backgrounds where the overlaid text still needs..