Originally Posted by NdAppy
toto a horse doesn't "roan out." They are either born roan or not.
Sorrel and chestnut are both red. Seasonal and diet caused variations are totally normal.
By 'roan out' I mean born darker and get lighter over the years. I've seen horses be born 'black' and turn blue as they got older.. I've also seen 'palomino roans'