As a general advice, keep your living room the brightest and your bed room the darkest. Keep other rooms in between. Remember, Kitchens may emit some smoke if you are not using a chimney. So, try to keep it a darker color at least on the walls if you do not want to clean them every other day! Also remember to match the color of your wall/furniture and even the appliances to the color of the tiles on the floor.
There are people who want neutral colors like Beige, Black, White, Grey etc. There are people who want vibrant colors on the walls and everywhere else. Consult with your partner to decide on which color you want painted for the walls, furniture and so forth. You may try painting all the rooms with just one color. This would be a great idea, only that some people who are creative, may not like it. The other extreme is to paint each wall in a room with different colors or at least alternate or opposite walls with different colors. There are people in between, who would like to paint each room with one color.
Create cup boards and draws to store your groceries. In fact, you will need ample space for this and this should be your foremost consideration in designing your kitchen. Design the height, placement and width of the draws based on how frequently you will reach out to the items; most frequently reached out should be nearest and the most easily accessible to you. Next up is moving space. Of course, you need space to move about, don't you? Keep ample straight line space so that you don't bump over your partner when both of you rush to your offices!
You don't want to forget your appliances, if you are a no-gadget-no-life kind of a person. You have the microwave ovens, multi-burner gas stoves, electronic chimneys, mixers, juicers, coffee makers, toasters and so forth. Design spaces compactly for these. You could consider buying custom packages from the market if you have a deep pocket!
Bed room has to be gloomy and yet full of life! Challenging, huh! It is really all about designing your bed room the first time. Choose appropriate colors on the walls and your bed and your sheets as well. Do not forget to light your bedroom appropriately. People often make the mistake of lighting the bed room as if to host the G7 summit. What? Well...
If you are having school-going kids or teenagers, ask them their thoughts. Get as creative as you can when you decorate your children's rooms. Use cartoons on the wall, but only wall papers so that they can redesign it after they grow up. Use vibrant colors. If you have 2 or more kids, consider buying a stepped cot. Most importantly, ask them. If they do not like your idea, they may resist using that room!
Disclaimer: This is not intended to replace professional advice and should at best serve as general information or tips. You are urged to seek professional advice from practitioners in the field to help you further.