The picture issues you are describing are a combination of the light source and the algorithm used by the camera when taking JPG images Karl.
The fluorescent tube is probably a “warm” colour temperature one. These are favoured in temperate climates, and by emphasising yellow and red tones make us feel warmer in the colder darker winter months. They are analogous to the old fashioned yellow tinged bulbs used for very many years. Apparently those in tropical climates prefer cool blue toned tubes for precisely the opposite reasons. They give the user a sense of being cooler……..
The phone camera takes JPEG pictures. These are post shot processed by an inbuilt enhancement algorithm designed to emphasise the same tones to make the picture “pop” and be brighter and more appealing to the viewer. You can’t switch this off, it is an integral part of the JPEG image, and is why photography enthusiasts and professionals shoot in what is called RAW format. RAW is not manipulated in any way and shows exact what is seen by the sensor on the camera. The photographer can then process the image on software such as photoshop and only bring in the enhancements they want.
Combined, these aspects could well be responsible for the anomalies you see. If you want to minimise it for your model shots, just use a mid grey background in place of the cutting mat. This should help the sensors get the correct exposure and also minimise any over enhancements and colour casts.
Still think it looks good though
The fluorescent tube is probably a “warm” colour temperature one. These are favoured in temperate climates, and by emphasising yellow and red tones make us feel warmer in the colder darker winter months. They are analogous to the old fashioned yellow tinged bulbs used for very many years. Apparently those in tropical climates prefer cool blue toned tubes for precisely the opposite reasons. They give the user a sense of being cooler……..
The phone camera takes JPEG pictures. These are post shot processed by an inbuilt enhancement algorithm designed to emphasise the same tones to make the picture “pop” and be brighter and more appealing to the viewer. You can’t switch this off, it is an integral part of the JPEG image, and is why photography enthusiasts and professionals shoot in what is called RAW format. RAW is not manipulated in any way and shows exact what is seen by the sensor on the camera. The photographer can then process the image on software such as photoshop and only bring in the enhancements they want.
Combined, these aspects could well be responsible for the anomalies you see. If you want to minimise it for your model shots, just use a mid grey background in place of the cutting mat. This should help the sensors get the correct exposure and also minimise any over enhancements and colour casts.
Still think it looks good though