Test your Reflex time!
Click on "Start" first, and wait until the background color changes. As soon as it changes, hit "stop!"
Change background color in:
deeppink
aliceblue
crimson
darkkhaki
cadetblue
darkorchid
coral
chocolate
mediumslateblue
tomato
darkslategray
limegreen
cornflowerblue
darkolivegreen
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