The color of the screen (background).
object.name.screenColor
Read/Write
color
This property can be set to any named color value (e.g., white, blue, green, lightyellow, ...).
The following block randomly sets its background color to yellow or white:
<block myBlock>
/ trials = [1-10=test]
/ onTrialBegin = {if(rand(1, 100) > 50) { block.myBlock.screenColor = yellow; } else { block.myBlock.screenColor = white; } }
</block>