#define ST7735_BLACK 0x0000
#define ST7735_RED 0x001F
#define ST7735_GREEN 0x07E0
#define ST7735_WHITE 0xFFFF
#define ST7735_BLUE 0xF800
#define ST7735_CYAN 0x07FF
#define ST7735_YELLOW 0xFFE0
#define ST7735_MAGENTA 0xF81F
every color name is related with the Hexdecimal value