Reorganized 2004 BJCP Guidelines for a Classic American Pilsner

You can look at it this way, or that way.
I like studying it this way while trying to come up with a recipe.
Malt

Low to medium grainy, corn-like or sweet maltiness may be evident (although rice-based beers are more neutral).
Yellow to deep gold color. Substantial, long lasting white head.
Moderate to moderately high maltiness similar in character [...]