Not set in stone but certainly a good starting point...

colourpalette.JPG

In order from left to right

#3b3b3b

#c6d1d0

#abc5ce

#94857e

#6b8592

#6d645f

#5a7180

#869dac

#b8906b

#b4846c

Source: https://imagecolorpicker.com/en

colourwheelcalc2.JPG

In order from left to right

#abc5ce

#b0abce

#abceb4

colourwheelcalc.JPG

In order from left to right

#5a7180

#615a80

#5a8069

Source: https://www.sessions.edu/color-calculator/ (analogous)