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Fire mainly gives out heat, light and other reaction products (soot, coal). What you mean is actually the flame, the visible part of fire.
The colour of the flame depends on the amount of oxygen involved. If the oxygen level is very high it will give out a blue colour, the less oxygen the fire receives, the less thoroughly the fire burns, resulting in soot particles in the fire. The red in fire means more soot particles.

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What elements under fire produce green and violet colors?

Green colors in fire are typically produced by the presence of copper, such as in copper compounds or household cleaner with borax. Violet colors are often produced by the presence of potassium salts, like in certain fireworks and flares.


How many different fire colors are there?

There are four main colors of fire: red, orange, yellow, and blue. The color of a fire depends on the temperature and type of fuel burning. Different chemicals, like salts, can also be added to create colored flames, such as green or purple.


What are all colors of fire?

The colors of fire can range from red, orange, and yellow to blue and white, depending on the temperature of the flame. A cooler flame will appear yellow or orange, while a hotter flame will appear blue or white. Other colors, such as green and purple, can also be seen in certain conditions.


Why are fire hydrants different colors?

Fire hydrants are different colors to help firefighters quickly identify the flow rate and pressure of water they provide, as well as the size of the water main they are connected to. Standard colors like red, yellow, green, or blue often correspond to specific flow rates or other important information.


Which colors are considered warm colors and Why are they considered warm?

Warm colors are red, orange, and yellow. They are considered warm because they are associated with elements such as fire and sunlight, creating a sense of energy, warmth, and comfort. These colors tend to advance visually, making them appear more vibrant and inviting.