There are several soft color pallets you can use to make your website look more appealing to visitors, here are just a few.

I know what you're thinking: "Do as I say not as I do". This site uses some pretty bold color because I want it to stand out. However, in keeping aligned with CSS Zen-like practices, you're going to want to use some soft colors to please the eyes of your visitors.
 

Color Name	Hexadecimal Code
lavender	E6E6FA
ghostwhite	F8F8FF
aliceblue	F0F8FF
mintcream	F5FFFA
honeydew	F0FFF0
lightgoldenrodyellow	FAFAD2
lemonchiffon	FFFACD
cornsilk	FFF8DC
lightyellow	FFFFE0
ivory	FFFFF0
floralwhite	FFFAF0
linen	FAF0E6
oldlace	FDF5E6
antiquewhite	FAEBD7
bisque	FFE4C4
peachpuff	FFDAB9
papayawhip	FFEFD5
seashell	FFF5EE
lavenderblush	FFF0F5
mistyrose	FFE4E1
snow	FFFAFA