Colours are associated with different emotions and ideas, and can symbolize these feelings. An illustrator's use of colour in a picture book is very important for setting moods and conveying messages to readers, as different hues like red, green, light blue, dark blue, orange, yellow, purple, pink, black, grey, white and brown each symbolize distinct ideas and feelings.

1. We associate different colours with different emotions and ideas.
We can say that the colours are symbols for these emotions and ideas.
Therefore, how an illustrator uses colour in a picture book is extremely important
in creating moods and communicating messages to the reader.

2. RED GREEN LIGHT BLUE DARK BLUE
ORANGE YELLOW PURPLE PINK
BLACK GREY WHITE BROWN