A group looks planned when its colours are related and people can still be told apart. Choose an approach and a starting colour to see a palette, then adapt it to what people own.
A run from light to dark in closely related colours.
Best for: Group photographs, because lightness separates people on camera. Physical mechanism
Person 1: Navy
Person 2: Cobalt
Person 3: Mid grey
Person 4: Lavender
Person 5: Pale blue
Colour can be planned, but comfort matters more, especially for children and older relatives. Check how the colours sit against the location.