You may notice how color affects your life. Not just on self-confidence but it also makes us happy or vice-versa. What color we ware can affect our performance and can influence our emotions too. Yeah, it's not the only 'factor' that influences us because otherwise what will happen to colorblind people. But this is a huge factor and we can use this for our best!
I don't know how many times I feel less confident, uncomfortable wearing the color I don't prefer. And after learning the psychology os color I came to realize why I need to be more conscious about this. You will find hundreds of research on how color affects our brain, how it helps to feel excited or calm. Learning a few basic about this can help us a lot.
Color is directly related with our self-esteem, self-confidence, performance and emotions. So always try to choose the color wisely when you wear something. If you want to make you and others feel exciting then wear warm colors. If you want to lift you mood then wear light colors. If you want to find peace in yourself wear white.
Take this as an advantage. In our personal to professional life not only on us but we can create a positive impact on others through color. Color helps to promote self-image and thus leads us to perform better or influence emotions. So, incorporating positive colors in life can give us better results.
These are actually some basic. There are more details on how color affects our brains. Some colors induce sleep better, where some others make us feel negative. Learning the basic color psychology is not that taught. You can get many free online articles on this where they show it through a quick chart. Try to take full advantage of color choices in your life!