Colors are a set of red, green, blue, and alpha values. In the Kate bitstream, these are represented as 4 8 bit values, in this order:
- 8 bit for red (0 is black, 255 is full intensity)
- 8 bit for green (0 is black, 255 is full intensity)
- 8 bit for blue (0 is black, 255 is full intensity)
- 8 bit for alpha (0 is fully transparent, 255 is fully opaque)
