These contemporary book covers all utilise fluorescent, neon or glowing colours to eye-catching effect.
NEON TEXT ON A BACKGROUND OF TRADITIONAL STYLE PAINTING
FLUORESCENT GREEN
NEON YELLOW
FLUORESCENT PINK AND CITRUS PALETTE
The book in the header does not exist but you may recognise the meme:
I used OceanSecret and Bayland fonts. I posterised the photo a bit, recoloured to neon pink and applied a gaussian blur. I then rubbed out the parts of the blur mask I wanted to keep a bit more distinct (mostly the guy’s face).