Evolution of human colour vision that are found between 450 and 625. Individuals with various forms of colour blindness such as deuteranopia and protanopia are missing human middle wavelength sensitive or long wavelength sensitive opsins. Their minimum wavelength differences are <5 but only at around 500. Protanopes, who are missing long wavelength sensitive cones, are unable to distinguish between colours in the green-yellow-red section of the electromagnetic spectrum. They find yellow, red and orange colours to have much lower brightness when compared to a trichromat. The dimming of these colours can result in confusion in many cases, such as when attempting to identify red traffic
Blue Is the Colour (song) used was a parody of the Chelsea FC version, with the words changed to: chorus... Peel Thunder is an Australian Rules club in the WAFL since 1997, bases its club song on this tune. Blue Is the Colour (song) Blue Is the Colour is a football song associated with Chelsea Football Club. It was performed by the squad and released in 1972 to coincide with the club's ultimately unsuccessful appearance in the League Cup final of that year against Stoke City. The record was issued on the Penny Farthing Records label and reached number 5 in the UK Charts and