Primary Colours: Red, Yellow, Blue

Red: Symbol of passion, love, and heartbreak. Also, stop signs.

Yellow: Representing sunshine, happiness, and caution lights.

Blue: Associated with feelings, trust, and Facebook.

Secondary Colours: Green, Purple, Orange

Green: Symbol of life, growth, and overgrown weeds.

Purple: The colour of royalty, eggplant, and overused in design.

Orange: Representing creativity, playfulness, and warning signs.

Brown: The colour of earth, dirt, and last night's pizza.

Grey: A colour of neutrality, boredom, and 50 shades.

Black: The absence of colour, and a colour in and of itself.

White: Symbol of purity, hope, and freshly fallen snow.

But, let's be real, who needs all these colours when you have neon?