mildness

adjective

1. 1. gentle or kind in disposition, action, or effect; not severe, harsh, bitter, etc.
   2. not extreme in any way; moderate; temperate: a mild winter
2. having a soft, pleasant taste or flavor; not strong, sour, bitter, biting, or sharp: said of tobacco, cheese, etc.
3. designating steel that is tough but malleable and contains only a small percentage of carbon