Del Sol Color Changing Polish - Girls Night Out

I was so excited to see this huge display of Del Sol color changing nail polish at Walgreens yesterday.  I remember these used to be sold for $10 each in touristy souvenir shops and mall kiosks, so when I saw them selling 3 for $10 (or $3.99 individually) the price was right and I had to try!

Del Sol polishes change color when exposed to UV light, so unlike mood-changing polishes that change with temperature, these only change color in sunlight.  A big sticker of a hibiscus on the front of the bottle tells you what the sunlight color will be.

The first color I tried was Girls Night Out, which is bright coral color with orange shimmer when indoors.  Reminds me of the pink and orange swirl in Rainbow Sherbert ice cream:

When I got outside , the color started changing in just a few seconds into this dark rosey plum color with gold shimmer:

I was expecting a darker purple to match the hibiscus sticker that you can see on the bottle just below my nails, but it's possible the color didn't change all the way due to some UV blocking ingredient in my OPI top coat.  I'll check tomorrow when the sun is out again to see if top coat makes a difference.  Overall I thought the effect was pretty cool and it was an interesting novelty if not the perfect color for me.

Edit (1/26): I tried Girls Night Out without top coat and got the same color shown above--not dark purple but still a pretty color.