The graph below shows the light absorbance of two kinds of chlorophyll.
Absorbance
chlorophyll b
C
400 450 500 550 600 650
Wavelength [nm]
Violet -380-425 nm
Indigo -425-445 nm
Blue-445-520 nm
Green
Yellow
chlorophyll a
520-565 nm
-565-590 nm
700
Orange -590-625 nm
Red -625-740 nm