Postage stamps and postal history of Malaysia or less. Many of these varieties were the result of one of the printing colour supplies being interrupted during the print run and restarting, causing a missing colour on one or more columns. Johore: 1 cent grey, 5 cents yellow, 10 cents green, 15 cents green and 20 cents bright purple. Kedah: 1 cent grey, 2 cents yellow, 2 cents green, 5 cents black (country name & portrait), 5 cents red, 10 cents red, 10 cents green, 20 cents bright purple and 20 cents yellow. Kelantan: 1 cent magenta, 10 cents red, 20 cents bright purple and 20 cents yellow.
Budgerigar colour genetics from oranges, peaches, pinks to reds. When these feathers are exposed to a white light source, such as sunlight, only the blue part of the spectrum is reflected by the eumelanin granules. This reflected blue light passes through the yellow pigment layer, resulting in the green colouration known as "lightgreen" in only the budgerigar and/or "green" in any other naturally green coloured parrot species. The many colour variations of budgerigars, such as albino, blue, cinnamon, Clearwinged, the various Fallows, Grey, Greygreen, Greywing, Lutino, Mauve, Olive, Opaline, Spangled, Suffused and Violet are the result of mutations that have occurred within specific