I have just been looking at Palladian Blue for a guest room and got the 'peel and stick' pain sample.
One thing to consider, if you haven't already, is what direction the windows face, and how that will mesh with the undertones of the paint you chose.
I really like the info provided by blogger/designer Kylie M. and here's her advice on considering exposures. You can also search her site for those 3 paint colors and she will go into more detail on what kinds of rooms they work in or don't work in.
https://www.kylieminteriors.ca/north-east-south-west-which-paint-colour-is-the-best/
(I learned the hard way that a mismatch of these 2 things can 'ruin' the look of a color that looks great on the sample chip. I painted one room a creamy light yellow, but it's a north-facing room and the paint I chose has the wrong undertones and as my son pointed out today, it looks very greenish.)