02font 02br 02br 01font 00Generally speaking, I agree with a comma after each item but not before the final 'and'. Some people will also put a comma before 'and'. 02font 02br 02br 01font 00If you include the 'and' in the above example, it strongly emphasises each item and its separateness from the others.
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I know this is like 10 years later, but it came up first for me in a google search and so I just have to say, I agree with the comma use but the sentence should be written: If there were no children, both the world and our lives would be colourless, meaningless and soulless. The original sentence doesn't make sense, but if there were just two adjectives at the end it could be written: