Steps to reproduce
Press Ctrl + Shift + 1
Expected result
The Color become Red
Actual result
Nothing happened
Environment
Windows, Google Chrome
Additional information
Ctrl + Shift + 2 <== Itās working.
Ctrl + Shift + 3 <== Itās working.
Ctrl + Shift + 4 <== Itās working.
Ctrl + Shift + 5 <== Itās working.
Ctrl + Shift + 6 <== Itās working.
Ctrl + Shift + `(grave) <== Itās working.
I checked my keymap, it is Ctrl + Shift + 1 for Red.