I too like color in my house. But, I tend to go for inviting colors, and mustard yellow is beautiful, but can be assaulting and absorb the light in a room. I painted my dining room and kitchen a bright open yellow. Took me forever to find it, I actually found it at the mistinted counter and was so super happy that I had another gallon done to do the rooms.
My living room is white with a very dark blue leaning toward grey wall to accent it. They are all in the same open space, so if I did the blue all over like I would love, the living room would seem really small and the rest of of the house would seem really really big.
I have a carribbean blue in my master bathroom that is almost teal, and I lightened it with white to calm it down a little for the bedroom walls.
I love color as you can tell. One kids room is currently soft sage, and we are painting the other one pepto pink for my daughter. Then we will do the other room that used to be the nursery to dark orange at least on 1 or 2 walls for my son since it is his favorite color next to red and that is too high energy for a bedroom. Oh, and I have right red red as accents all over the kitchen so it is very happy.
I would look into color energies and see what you like and what kind of welcome you are trying to achieve. These can really make a difference!
Good luck, this is one of the hardest things to decide. Looking into Fung Shui might also be a way to go. (this is where I learned to never paint a couple's room pink or red as it will almost always lead to adultery.)