Change colors in this line. main.c
Standard
/* trace_colors[4] */ { RGB565(0,255,255), RGB565(255,0,0), RGB565(0,0,255), RGB565(50,255,0) },
Blue -> White
/* trace_colors[4] */ { RGB565(0,255,255), RGB565(255,255,255), RGB565(0,0,255), RGB565(50,255,0) },