â How long does nicotine stay in your system (hair tests) This is a reliable method to measure long-term nicotine use, but is an expensive method of testing. This method is extremely accurate for a period of up to 3 months after stop smoking, and can detect nicotine use for up to 1 year after quitting. â How long does nicotine stay in your system (system clean) Most people believe that nicotine is out of your system in just 3 days, but that is not correct.
1 White ceilings also keep the focus on the color of the walls while making the walls appear brighter.  Should you decide to opt for a true color on your ceiling, do not use the same color on your walls.
You stated that you want 3 colors-walls, accent wall, and ceiling. No matter what scheme you go with â I would choose your favorite shade of light lavender first for the 3 walls. Then choose the accent color-this should be a bolder color than the lavender and place that on the wall that your bed is on. For the ceiling choose the lightest color.