For severe croup, your child may need to spend time in a hospital. In rare instances, a temporary breathing tube may need to be placed in the child's windpipe. Request an Appointment at Mayo Clinic
This makes 256*256*256=16777216 possible colors. RGB â¡ Red, Green, Blue. Each pixel in the LCD monitor displays colors this way, by combination of red, green and blue LEDs (light emitting diodes). When the red pixel is set to 0, the LED is turned off.
A color wheel is a circular chart that shows primary and secondary colors. The color wheel most commonly used today is called the HSV color wheel which means hue, saturation, value. The digital form of the HSV color wheel is called the RGB color wheel. The HSV/RGB color wheel is described below. There are two versions: one in which red, green and blue are regarded as the primary colors; and one in which magenta, yellow, and cyan are regarded as the primary colors.