I did the first 2 coats with Red, then used a toothpick to line out the webs and spider in Black, finishing with White eyes with a toothpick and a Blue french tip.
Red – Essie in Candy Apple
Black – Nyx in Black
White – Sally Hard As Nails Xtreme Wear in White On
Blue – Sally Hansen Insta-Dri Fast Dry in Brisk Blue