Oops, it doesn't look like 'purple lips day' is a national day..

Other days

fiancee

Fiancee Day
get funky

Get Funky Day
azonto is acceptable

Azonto Is Acceptable Day
one

One Day
hot chocolate

Hot Chocolate Day
comfy

Comfy Day
hoodie

Hoodie Day
bubble bath

Bubble Bath Day
ruby

Ruby Day
kale

Kale Day