Yellow Pigment

Some articles on pigment, yellow, yellow pigment:

Yellower - In Science - Minerals and Chemistry - Dyes
... comes from crocin, a red variety of carotenoid natural pigment ... The color of 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 ...
Xanthochromism
... is a term that may be applied to birds, fish and other animals whose colouration is unusually yellow through an excess of yellow pigment, or possibly a ... usual red pigmentation and its replacement with yellow ... The opposite of xanthochromism, a deficiency in or complete absence of yellow pigment, is known as axanthism ...
Blue Budgerigar Mutation - Appearance
... green in the wild-type, to skyblue and the colour of mask and other parts which are yellow in the wild-type, to white ... 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 budgerigar produces a blue ... 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 ...

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)

    The yellow pool has overflowed high up on Clooth-na-Bare,
    For the wet winds are blowing out of the clinging air;
    Like heavy flooded waters our bodies and our blood;
    But purer than a tall candle before the Holy Rood
    Is Cathleen, the daughter of Houlihan.
    William Butler Yeats (1865–1939)