National style color cards typically refer to a collection of colors inspired by traditional Chinese aesthetics. These colors are often used in fashion, design, and art to evoke a sense of cultural heritage and elegance. The five aesthetically pleasing national style colors might include shades like red, which symbolizes luck and prosperity; green, representing harmony and renewal; blue, signifying tranquility and wisdom; yellow, associated with the imperial court and power; and white, symbolizing purity and simplicity.