Display colors
Here is a table with the colors supported by the ST7789 display:
| Color | Hex | Int value |
|---|---|---|
| Black | 0x0000 | 0 |
| White | 0xFFFF | 65535 |
| Red | 0xF800 | 63488 |
| Green | 0x07E0 | 2016 |
| Blue | 0x001F | 31 |
| Cyan | 0x07FF | 2047 |
| Magenta | 0xF81F | 63519 |
| Yellow | 0xFFE0 | 65504 |
| Orange | 0xFC00 | 64512 |
The int value is the value that JS API needs since JS doesn't support hex.