Different colors in magic have been made common place due to their use in movies, television and video games. Typically colors like red or pink are love magic, green is for money and wealth, black is evil and white is good.
When people talk about white magic, then generally refer to healing and helping magic spells. Keeping your spellbook color-coded, red for love spells, green for money, black for death and white for healing is fairly common but not required. An important thing to remember is that all magic is magic, and there really is no such thing as evil magic or good magic.
Today, most people consider healing and health spells to be white magic. It is not any more or less difficult than black magic, and even white magic spells can have concequences.
The following spells are generally accepted as white magic spells: