Driving blue cars on Wednesday is 'more risky' according to Ananova.com: "Middle-aged motorists driving blue company cars on Wednesdays are the most accident-prone, new research suggests.Drivers of green and silver cars also have a relatively high chance of suffering collisions, according to the RAC study.The results showed most accidents take place in the middle of the week and involve company car or van drivers aged 35 to 49."