Fall means layers and a tending towards darker tones, but don't think this means you're stuck in shades of beige and brown.
This outfit starts and ends with this anything-but-tomboy pretty pink and purple plaid shirt paired with a hot pink skirt and tights. Soften the look and keep toes toasty with (non-wool) boot socks in a coordinating color.
Free Fashion Tip: matching hosiery/tights to a skirt or dress color elongates your legs--even better if you can coordinate your shoes/boots to match as well. This technique keeps an outfit like this from looking too "chopped up."
And, remember, there's a plethora of pleather to pick from to keep the compassion in your fashion statement.