The setvtrgb command takes a single argument, either the string vga , or a path to a file containing the
colors to be used by the Linux virtual terminals.
You can choose to write the colors in decimal or hexadecimal format, it will be detected on runtime.
Decimal FILE format should be exactly 3 lines of 16 comma-separated decimal values for RED, GREEN, and
BLUE.
To seed a valid FILE :
cat/sys/module/vt/parameters/default_{red,grn,blu}>FILE
And then edit the values in FILE
Hexadecimal FILE format should be exactly 16 lines of hex triplets for RED, GREEN and BLUE, prefixed with
a number sign (#). For example:
#000000#AA0000#00AA00#AA5500#0000AA#AA00AA#00AAAA#AAAAAA#555555#FF5555#55FF55#FFFF55#5555FF#FF55FF#55FFFF#FFFFFF