Many decorators use the 60-30-10 rule : 60% of a dominant color, 30% of a secondary color, and 10% of an accent color.
Never release balloons into the air. Always use weights to secure them, and properly deflate and dispose of them once the event is over.
Are you planning a like a baby shower or wedding, or would you like more details on balloon twisting techniques? Balloon Twisting Basics for Beginners (EASY Tutorial)
Odd numbers of balloons in a cluster often look more natural and appealing than even numbers. Proper Care and Safety
Creating professional-looking decor often follows specific design rules:
Balloons expand in heat and contract in the cold. Slightly under-inflate balloons if they will be used in warm environments to prevent popping.