It's associated with joy, happiness, intellect, and energy. Yellow produces a warming effect, arouses cheerfulness, stimulates mental activity, and generates muscle energy. Yellow is often associated with food. Bright, pure yellow is an attention getter, which is the reason taxicabs are painted this color.
1 Keep the refrigerator temperature at or below 40Â° F (4Â° C). 2  The freezer temperature should be 0Â° F (-18Â° C). 3  Check temperatures periodically. 4  Appliance thermometers are the best way of knowing these temperatures and are generally inexpensive. Also, when putting food away, don't crowd the refrigerator or freezer so tightly that air can't circulate. 2  Keep your appliances at the proper temperatures. 3  Keep the refrigerator temperature at or below 40Â° F (4Â° C). 4  The freezer temperature should be 0Â° F (-18Â° C).
So exactly what temperature should a fridge be? Your fridge should be cooling food anywhere in between 36 and 40 degrees Fahrenheit (2.2 to 4.5 degrees Celsius). How do you test this? Use a probe thermometer to gauge the temperature of the inside of food that has been sitting in your fridge for at least 24 hours.