Peach combined with grey is such a delightful duo, especially for a spring or summer wedding. You might also want to consider throwing a darker melon color into the mix and perhaps even a mint green. Your wedding dress will pop up next to these soft pastel color combos.
I love the idea of having the groom and groomsmen wear soft grey slacks and vests with peach toned ties or boutonnieres. The softer colors are a little more casual and romantic than black. Here are some peach and grey wedding decor ideas: