Set the virtual terminal rgb colors
setvtrgb vga|FILE|-
The setvtrgb command takes a single argument, either the string vga , or a path to a file containing the red, green, and blue colors to be used by the Linux virtual terminals.
If you use the FILE parameter, FILE 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
The utility is written by Alexey Gladkov, Seth Forshee, Dustin Kirkland.
Documentation by Dustin Kirkland.