Name something that is the colour I name to start off (can be anything), then leave a colour for the next person.

Example: "[color] is the color of my [object]." then "[colour]".

Mine:
Red is the colour of a ruby.

Yellow

royal blue is the color of my white out

silver

Is the colour of my earrings

chestnut 

chestnut is the color of my watch band

grey

Is the colour of my car

olive green

Olive green is the colour of a chicken egg

royal blue 

Royal blue is the colour of my dogs bed

cherry red 

Is the colour of a blanket I own

bronze

Is the colour of a penny

dark purple

dark purple is the color of my shirt

orange

Orange is the colour of an orange

magenta 

Is the colour of my food tie clips

burnt orange 

That was the *awful* color of my braidmaid dress for a wedding I was in. 

Copper

Is the colour of a pipe in my kitchen

sky blue

Is my grandma's favorite color.

Bright purple