It'll be the exact same as normal and goodie dye colours. 49% chance of stud's colour, 49% chance of brood's colour, 2% chance of Albino.
You've just been unlucky
![Razz :P](./images/smilies/icon_razz.gif)
Maybe the game knows you want the box colour. Like it seems to guess when you want a specific gender and always gives you the other one. Gotta love fate
![Razz :P](./images/smilies/icon_razz.gif)