how do i get pink gel?

[James]

how do i find pinkys?

[ĐⱤ, ₱Ⱡ₳₲ɄɆ™]

There's a Terraria wiki, use it.

[Derpykat5]

pinky has a rare chance to replace a standard slime spawn, so slime rains are probably your best bet.

[Saver Sigonith]

Yep. Just play normally, you'll find one eventually!

[Pixelated]

Pinky, with help to try to find it, i "lifeform analizer" may help (sry if it spelled wrong)