In high school, as long as you know that chlorophyll in plant chloroplasts accounts for 3/4, including chlorophyll a (blue-green) and chlorophyll b (yellow-green); Carotenoids account for 1/4, including carotene (orange yellow) and lutein (yellow). It is distributed on the membrane of chloroplast grana capsule structure. (refer to the "5-year college entrance examination 3-year simulation" college entrance examination biology)