This is the colour swatches I made it in Adobe Photoshop CC 2018 and I used Adobe Color CC to get the colour for the poster.

I chose this colour swatches because the colour blue is my favourite and yellow in fashion at the movement.

I change the colour swatches because from the mood board and the darker of blue/yellow colours.

 

I have made the second colour swatches for the poster.

 

I have made the third colour swatches for the poster.