<style>
.custom-1 {
filter: invert(0.5);
}
.custom-2 {
filter: brightness(0) invert(1);
}
</style>
<img src="https://s.cdpn.io/3/kiwi.svg" class="standard" width="50" height="50" alt="img">
<img src="https://s.cdpn.io/3/kiwi.svg" class="custom-1" width="50" height="50" alt="img">
<img src="https://s.cdpn.io/3/kiwi.svg" class="custom-2" width="50" height="50" alt="img">