It is also good to have a reminder somewhere about colour and their meanings.
I was browsing on the net to have some example of colours to add into my course and found this amazing website: paper leaf
Great information and a must for all designers.
I have downloaded the eps and the pdf file but you can also download the wallpaper and display it on your screen as a reminder. Love it
If you want more, you can have a look at their Elements of Design - Quick reference sheet.
Great tools for student as well.