vPlan colour palette

vPlan dark     #090049   RGB 9, 0, 73
vPlan purple   #8D46E0   RGB 141, 70, 224
Lilac          #F4EDFC   RGB 244, 237, 252
Mint           #00E2B2   RGB 0, 226, 178
Midnight       #050025   RGB 5, 0, 37
White          #FFFFFF   RGB 255, 255, 255
Light grey     #F4F5F8   RGB 244, 245, 248
