Pantone Postcard Painting Challenge 1-5

Hey there! I'm attempting to complete a painting challenge of 100 postcards before I leave for an Artist Residency! Here are the first 5 postcards, as well as a walk through of what I focused on with each challenge.
Original creator of the challenge: ‪@bigbluetang‬
(she's an incredible artist and you should check out her work on IG too!)
- Turner Acryl Gouache Paints: www.jerrysartarama.com/turner...
- Pantone Postcards: www.amazon.com/gp/product/081...
Royalty-free Reference Images Used:
Card 1: unsplash.com/photos/RoH656UZEgY
Card 2: None specifically. Made this up based off an idea gathered from a series of images.
Card 3: unsplash.com/photos/pOUA8Xay514
Card 4: unsplash.com/photos/7QpGF6vIQBY
Card 5: unsplash.com/photos/Lv_bMRV5xz4

[@hopeful8975]

Very interesting watching you.

[@OpheliaStatonArtist]

You are truly amazing!!!❤️❤️❤️

[@mariaboylan3083]

This is great! Where can we get these Pantone cards?

[@sheanartisthunty]

Would acrylic paints work just as well as gouache?

[@mary5557]

how this makes sense? and original color´s pantone is completely covered...