Oh, as far as I know, white fire is the hottest, so that leaves it in 1st place, blue 2nd, and orange in 3rd. And orange fire is the coldest you'll ever find!
There is no specific degree that creates a white flame. However, it is considered a very hot flame, just under blue, which is known as the hottest flame.
Blue or purple stars are hotter than the whites
White powdery magnesium oxide and a white hot flame.
A green flame is typically not as hot as blue or white flames, but hotter than red or orange flames.
All flames are hot
burns very hot with a bright white glowing flame
A hot flame is obtained (but not the hottest) with a color violet-white.
Yes, it is possible to have a white flame. A good example of a white flame is the flame with which a magnesium wire burns. When magnesium wire is burnt in air(oxygen), it burns with a bright white flame.
That flame is the source of heat for the hot air in the hot air balloon.
The top of of the flame has the highest temperature.
A white flame is the hottest flame possible in normal air. The temperature of a white flame ranges from 1,400 to 1,600 degrees F.
Flame of itself is yellow/white. This is white hot carbon particles. Carbon, per se, does not form ions and so cannot give a flame test colour.