Hi frends!
It's my second art on Yellow contest by 
What could be better on a hot day than a sip of fresh cold lemonade?)))
Sketch
Choosing a color palette (in Photoshop)
Steps
I didn't like a background color & I choosed other more contrast.
Bubbles
Blured a background & shadows under objects.
Some color correction & sharpen.
It's ready!
Have a nice day!
Gera