Much of what we understand about light and colour comes from Newton, who, in 1666, solved the mystery of rainbow. He also created for us the first diagram for colour (colour wheel), taking the violet and joining up with the red end of the spectrum. This arrangement puts the primary colours(🔴🟡🔵) opposite their complementary friends, and shows that each can enhance the effect of the other through optical contrast. For example, if we put together red and green (butterfly on the leaf) it will make red seems redder and green greener. It is why we call this effect "complimentary". 🍏The colour wheel is an incredibly useful tool for artists, and its impact on the way colour is read and understood. It will be the first thing you are taught if you study the colour.