Floating ones have two color groups. One group is dull color such as light blue (as water blue) or milk color. Another group is bright orange color. It might serve as indicator.

Intermediate ones are transparent color or as same as floating ones

Slow sinking, 3IPS in dark green or dark brown color

Fast sinking, 5IPS to 6 IPS in black color.

Floating polyleader are not neccessory. Most used are intermedium and

sinking ones.