I've seen the same planet colored differently in different photos. Here are the true colors of major planets to the best of my knowledge (spacecraft photos appearing in the media often have false coloration): Mercury: grey; Mercury has practically no atmosphere, so we just see the rocky surface.
Sitting for hours can cause poor circulation which is a major cause of the heavy legs syndrome and if there no underlying medical condition and the feeling worsens when walking upstairs, then curiously enough, you might like to look at your diet for clues.
Although the risk of getting night leg cramps increases with. age, it's often difficult to pinpoint the cause. In fact, these cramps often occur for no known reason. Dehydration, prolonged sitting, or not getting enough. potassium, calcium or magnesium in your diet can be associated. with leg cramps. So can certain medications - including. diuretics, beta blockers and other blood pressure drugs.