If you are a fan of clothes in similar shades, very well done - it is a safe way to combine. However, this does not mean that you will not look as good even if you combine, say, green with lilac. Looks risky? In fact they are not so.
Red + brown
Blue + lemon yellow
Blue + brown
Indigo + green
Pink + blue
Orange + gray
Black + green
Indigo + white
Pink + cream
Orange + green
Source: Who What Wear