Yellow Pigment

Some articles on yellow, yellow pigment, pigment, pigments:

Blue Budgerigar Mutation - Appearance
... to skyblue and the colour of mask and other parts which are yellow in the wild-type, to white ... cock The green colouration of the wild budgerigar is due to the combined effect of a yellow pigment and an interference effect similar to that which gives colour to petrol on water, which in the ... Yellow pigment is present in the outer layer (cortex) of the cells forming the barbs of all feathers of the wild budgerigar with the exception of the cheek patches, although it is very ...
Yellower - In Science - Minerals and Chemistry - Dyes
... saffron comes from crocin, a red variety of carotenoid natural pigment ... the dyed fabric varies from deep red to orange to yellow, depending upon the type of saffron and the process ... Reseda luteola, also known as dyers weed, yellow weed or weld, has been used as a yellow dye from neolithic times ...
... to birds, fish and other animals whose colouration is unusually yellow through an excess of yellow pigment, or possibly a loss of darker pigments that allows yellow pigment to be unusually ... It is often associated with the lack of usual red pigmentation and its replacement with yellow ... a deficiency in or complete absence of yellow pigment, is known as axanthism ...

Famous quotes containing the words pigment and/or yellow:

    Separation penetrates the disappearing person like a pigment and steeps him in gentle radiance.
    Walter Benjamin (1892–1940)

    Ask a toad what beauty is, the supreme beauty, the to kalon. He will tell you it is his lady toad with her two big round eyes coming out of her little head, her large flat snout, yellow belly, brown back.
    Voltaire [Fran├žois Marie Arouet] (1694–1778)