While the web is rich in various instruments that are intended to improve workflow or enhance the functionality of the project, there are just some valuable tools that are oriented at colouring.

Unfortunately, this constituent receives scant attention, even despite the studies that proved that colours play a significant role in creating a successful theme or product. They influence human perception of the interface and even have an impact on the decision-making process.

Colour theory and psychological aspect of every shade, of course, is a huge topic to discuss.