+------+------+-------+
|                     |
|      [RRGGBB]       |  <--- THE RESULTING COLOUR
|                     |
+------+------+-------+
| [RR] | [GG] |  [BB] |  <--- The colours that are being mixed
+------+------+-------+
|  +33 |  +33 |  +33  |
|  +10 |  +10 |  +10  |  <--- Add colour
|   +1 |   +1 |   +1  |
+------+------+-------+
|   RR |   GG |   BB  |  <--- Hexadecimal codes for the colours that are
+------+------+-------+       being mixed (this goes into your html files)
|   -1 |   -1 |   -1  |
|  -10 |  -10 |  -10  |  <--- Remove colour
|  -33 |  -33 |  -33  |
+------+------+-------+
| black, grey, white, |
|  red, green, blue,  |  <--- Predefined colours
|yellow, cyan, magenta|
+---------------------+