Photographs taken in artificial light can have a colour cast. This is because cameras are set up to record natural daylight pictures and, while our eyes/brain compensate, artificial light is at a different part of the colour spectrum. This wi makes the picture go orange or green depending on the light source.
Digital cameras have a white balance setting but they don't always get it right. Or you may have had the camera set manually to daylight and then taken photos indoors. And film cameras need a filter
to be attached in front of the lens to correct the colour cast.
Our example photo was taken in a cathedral - the statue was lit with a tungsten light and that's resulted in a yellow/orange colour cast. If you'd shot in RAW it would be a simple matter of selecting the correct white balance setting after the event, but here it's a jpg file and the damage is done.
We can use an image editing program to correct the colour in numerous ways such as adjusting hue/saturation, colour balance, channel mixer, variations and curves. Here we will show you how to use Paint Shop Pro X3's Color Balance feature.
Step 1: Select the colour balance control
Open the photo in Paint Shop Pro X3 and select the Color Balance mode Adjust > Color Balance. When the dialogue box pops up click the Preview arrow top left to reveal a before and after preview photo. Tick the Advanced options to see what controls you have available.
Step 2: Choose a neutral point
Hover over the left hand preview with your cursor and you will see it changes into an eyedropper tool and a small info box appears and follows the cursor. This is a magnifier showing what colour you are hovering over and its colour value. Click on a neutral area to register the colour and make the program adjust the colour balance. This should be an area that is black, white or grey. I usually select a shadow area. In this shot I chose a spot in the shadows at the bottom of the frame (indicated by the red arrow).
As you click the right hand preview window changes to the new adjusted colour as does the main image. If you pick a colour that's not neutral you will create a new incorrect colour bias, but until you click ok the change is not saved . So keep clicking around until you have a colour balance you're happy with.
Step 3: Fine tune settings
You can fine tune the change using the Temperature and Tint sliders in the Enhance Color balance section.
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You've read the article, now go take some fantastic images. You can then upload the pictures, plus any advice and suggestions you have into the dedicated Photo Month forum for everyone at ePHOTOzine to enjoy.