Material design's colors primary/accent vs green/red

1. What is accent color in material design?
2. What Colour scheme is red and green?
3. What are accent colors?

What is accent color in material design?

In material design, UI element color palettes generally consist of one primary and one accent color. The accent color is used more subtly throughout the app, to call attention to key elements.

What Colour scheme is red and green?

Examples of complementary color combinations are: Red and green; yellow and purple; orange and blue; green and magenta.

What are accent colors?

Accent colors are supplementary colors that typically contrast or complement the primary colors used in a room. Accent colors are used for emphasis, to enhance a color scheme, or to liven up or add drama to an otherwise monochromatic space.