The color temperature of a light source is the color perceived by the eye.
Color temperature is calculated in degrees Kelvin (K). The lower the degree, the warmer the scattered light (red) and the higher it is, the colder the light (blue).
In the medical field, neutral and cold colors are preferred because they allow to maximize the rendering of bodies and objects, thus ensuring maximum visibility.
Before the advent of LED lights, halogen lights had to be used to provide sufficient illumination required for medical procedures. But these lamps used a lot of energy compared to LEDs which meant bigger instruments.
Some examples :
Some examples :
- A candle: between 1500K and 2000K
- Incandescent bulb : 2700K
- Light before dusk : 4000K
- Camera flash : 7000K
- Covered sky: 7500K
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