My website has a transparent fixed header with my company's black logo. I want the logo to change color whenever it overlaps with colored elements on the page, adapting to their negative color. Palantir also did something similar with their logo but eventually changed it.
I've searched extensively online for a solution and attempted using blend modes in CSS, but I must be missing something...
It seems that the mix-blend-mode CSS property could be of use in addressing your query. Here is a brief example showcasing its application (you have the freedom to experiment with various mix-blend-mode values to achieve the desired outcome):
div {
position: fixed;
mix-blend-mode: difference;
}
p{
background-color: #666;
}
p.red{
background-color: red;
}
p.green{
background-color: green;
}<div class="fixed">
<img src="https://scontent.ftbs4-2.fna.fbcdn.net/v/t45.1600-4/338544317_6309992646707_2491776963105174437_n.jpg?stp=c220.0.540.540a_cp0_dst-jpg_p180x540_q75_spS444&_nc_cat=1&ccb=1-7&_nc_sid=de7202&_nc_ohc=VcmdAB7SScMAX8pdXJ2&_nc_ht=scontent.ftbs4-2.fna&oh=00_AfA1HReZ3Zayt6dX7kuNbxiGjoZ4N_LSCxKbp231d4lOoA&oe=6428C2F8" alt="">
</div>
<p>
minima consequuntur vel deleniti ex, velit odio minus. Sunt, libero perspiciatis ex, deserunt ...
<p class='red'>
[...]
</p>
<p class='green'>
[...]
</p>
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