While cool hues like blue and green can have a calming effect, warm hues like red and orange can stimulate the nervous system and raise heart rate. The way that traders & investors perceive and process information can rummy areastherefore be affected by the use of color in trading platforms, charts, and investment materials. For traders and investors, an understanding of color psychology is crucial because it can affect perception, cognition, & decision-making. People can use their understanding of how different colors affect them emotionally and physically to their advantage in the financial markets. recognizing the preferences and behavior of consumers.