The phrase "overall brightness" refers to how bright something appears as a whole, considering all parts and aspects.
Sentences with «overall brightness»
Our ups and downs are entirely predictable based on natural cycles and longer range can be predicted from solar changes (no, not just overall brightness!). (ourchangingclimate.wordpress.com)
These include a generally lower overall brightness level compared to LCD, which can have an adverse impact when you're making a device that has to be usable outside in direct sunlight. (techradar.com)
Fresh parsley and lemon, the two things you shouldn't hold back on, bringing overall brightness to the bowl. (heartbeetkitchen.com)