color Bg=Lavender;
....
if (MathAbs(n)==2) Bg=Linen;
if (MathAbs(n)==3) Bg=LightYellow;
if (MathAbs(n)==4) Bg=LemonChiffon;
if (MathAbs(n)==5) Bg=Beige;
if (MathAbs(n)==6) Bg=WhiteSmoke;
if (MathAbs(n)==7) Bg=LightYellow;
if (MathAbs(n)==8) Bg=OldLace;
if (MathAbs(n)==9) Bg=Bisque;
if (MathAbs(n)==10) Bg=MistyRose;