If the vectorscope on your editing device shows a color spread heavily skewed towards one quadrant, what specific color imbalance is indicated, and what primary correction is needed?

A vectorscope is a video waveform monitor that displays the chroma, or color information, of a video signal. It shows hue and saturation as a spread of points within a circular grid. The center of the grid represents no color saturation, or grayscale, while points further from the center indicate increasing saturation. The circular grid is divided into quadrants, with specific primary and secondary colors (Red, Magenta, Blue, Cyan, Green, Yellow) marked around the perimeter. Each mark indicates the target location for that pure color's hue. When the color spread on the vectorscope is heavily skewed towards one quadrant, it specifically indicates an overabundance or 'push' of the hue represented by that quadrant. For instance, if the spread is heavily skewed towards the Red quadrant, the image has an excessive amount of red. If it's skewed towards the Blue quadrant, there's a blue push. The specific color imbalance indicated is therefore a dominance of the color that corresponds to the quadrant towards which the spread is skewed. The primary correction needed is to reduce the dominant color or introduce its complementary color. Complementary colors are those directly opposite each other on the vectorscope's color wheel; for example, Red is complementary to Cyan, Blue to Yellow, and Green to Magenta. To correct a Red push, for instance, one would either decrease the Red level or increase the Cyan level in the image. This adjustment is typically performed using color balance or tint controls within a color correction interface, which allow for fine-tuning the amounts of primary and secondary colors or shifting the color balance along specific axes, like a Red-Cyan or Blue-Yellow axis, until the vectorscope display returns to a more balanced, centered spread.