Colour and Mood both work hand in hand. They all tie back into the world of colour psychology. Colour Psychology is really the study of hues in relation to human behaviour. When creating a rebrand colour is very important because you are usually trying to send out a certain message. Let’s take a look at the colour red in various logos.
Now looking into the colour psychology of green.
And lastly, Blue in colour psychology.
References
https://www.helpscout.com/blog/psychology-of-color/
https://99designs.com/blog/tips/how-color-impacts-emotions-and-behaviors/
Color Psychology: How Color Meanings Affect Your Brand
Primo & His Screen Based Practices 