Rice Miso Varieties:Mellow White Miso: lightest in flavor.
Kome Miso, Sendai, or Red Miso: made from white rice, popular in Japan.
Genmai Miso: made from brown rice.
Shiro Miso: very mild and sweet (uses sweet rice).
General rule: the lighter the miso, the milder and sweeter it is. (The shorter the fermentation, the milder it is.)