<Table> <Tr> <Th colspan="4"> </Th> </Tr> <Tr> <Th> Color </Th> <Th> Wavelength </Th> <Th> Frequency </Th> <Th> Photon energy </Th> </Tr> <Tr> <Td> Violet </Td> <Td> 380 -- 450 nm </Td> <Td> 668 -- 789 THz </Td> <Td> 2.75 -- 3.26 eV </Td> </Tr> <Tr> <Td> Blue </Td> <Td> 450 -- 495 nm </Td> <Td> 606 -- 668 THz </Td> <Td> 2.50 -- 2.75 eV </Td> </Tr> <Tr> <Td> Green </Td> <Td> 495 -- 570 nm </Td> <Td> 526 -- 606 THz </Td> <Td> 2.17 -- 2.50 eV </Td> </Tr> <Tr> <Td> Yellow </Td> <Td> 570 -- 590 nm </Td> <Td> 508 -- 526 THz </Td> <Td> 2.10 -- 2.17 eV </Td> </Tr> <Tr> <Td> Orange </Td> <Td> 590 -- 620 nm </Td> <Td> 484 -- 508 THz </Td> <Td> 2.00 -- 2.10 eV </Td> </Tr> <Tr> <Td> Red </Td> <Td> 620 -- 750 nm </Td> <Td> 400 -- 484 THz </Td> <Td> 1.65 -- 2.00 eV </Td> </Tr> </Table>
<Table> <Tr> <Th colspan="4"> </Th> </Tr> <Tr> <Th> Color </Th> <Th> Wavelength </Th> <Th> Frequency </Th> <Th> Photon energy </Th> </Tr> <Tr> <Td> Violet </Td> <Td> 380 -- 450 nm </Td> <Td> 668 -- 789 THz </Td> <Td> 2.75 -- 3.26 eV </Td> </Tr> <Tr> <Td> Blue </Td> <Td> 450 -- 495 nm </Td> <Td> 606 -- 668 THz </Td> <Td> 2.50 -- 2.75 eV </Td> </Tr> <Tr> <Td> Green </Td> <Td> 495 -- 570 nm </Td> <Td> 526 -- 606 THz </Td> <Td> 2.17 -- 2.50 eV </Td> </Tr> <Tr> <Td> Yellow </Td> <Td> 570 -- 590 nm </Td> <Td> 508 -- 526 THz </Td> <Td> 2.10 -- 2.17 eV </Td> </Tr> <Tr> <Td> Orange </Td> <Td> 590 -- 620 nm </Td> <Td> 484 -- 508 THz </Td> <Td> 2.00 -- 2.10 eV </Td> </Tr> <Tr> <Td> Red </Td> <Td> 620 -- 750 nm </Td> <Td> 400 -- 484 THz </Td> <Td> 1.65 -- 2.00 eV </Td> </Tr> </Table>
the longest wavelengths in the visible spectrum are
the longest wavelengths in the visible spectrum are
Red
Red