When choosing lipstick,
you can consider things like
Undertone: Lipsticks and skin can have cool, warm, or neutral undertones. Lipsticks with similar undertones to your skin are often the most flattering.
Pigmented lips: If you have pigmented lips, paler lipsticks might make you look sickly.
Color: The same lipstick can look different on different skin tones. For example, deep red shades look great on darker skin tones.
Eye color: You can choose a lipstick hue that's opposite your eye color on the color wheel.
Lip liner: You can match the lipstick with a lip liner.
Finish: You can consider the finish of the lipstick.
You can also swatch lipsticks next to a shade that's clearly warm or cool to see if the undertones are similar.