Popular Mechanics reports that purple is a “pigment of your imagination”: The human eye doesn’t actually see purple.

Yes, hummingbirds are attracted to red! “Hummingbirds have an enhanced sensitivity to colors in the red to yellow spectrum,” ...

This helps your child learn that colours are labels that describe ... It’s not just red, it’s a teddy that’s red. The colour name is secondary to what the thing actually is.

In addition, colours are used to signal things: red means stop where green ... The Colourblocks learn how to sort things by colour and use colour to make patterns. Colours have an order too.

Red is imbued with meaning for humans: it is the colour of danger, blood, attraction and romance. And where crimson and scarlet hues appear in nature, they often carry an important message. Ladybirds ...