I can't change the color of SVG icons in action/symbolic

Hi,
When I try to change the color of SVG icons in action/symbolic and reload the icons, the new color doesn't appear.
I'm using Bloom icons and also we10x icons.
I've tried this in:
usr/share/icons/bloom/scalable/action/
and also in
hom/local/share/icons/bloom/scalable/action/
and also in
home/icons/bloom/scalable/action/
The new color only appears in the icon folder but doesn't show up when reloading the system
How can I do this?
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