Urochrome.
None. Yellow is a primary color, which means it is not a mixture of any other color, it stands alone. Cadmium is a metal that is mixed into the yellow pigment to give it is brightness. Therefore a cadmium yellow would be a bright yellow as opposed to, say, a yellow ocher.
Pigment or pigments.
Chlorophyll a is the most abundant pigment and it is the pigment that reflects green.
The green colour of the leaves is from the pigment chlorophyll
its called astaxanthin.
Xanthophyll, is the pigment that gives egg yolk it's color.
Yellow urine is normal, especially if you haven't been drinking enough or peed for a long time, like in the morning. Has nothing to do with pregnancy. Take a test if you want to know.It's due to excretion of urochrome, a blood pigment. Urochrome is a yellow-colored pigment that gives the color to urine.
Urine contains breakdown of bile pigments, such as urobilin (urochrome), and stercobilin, which are yellow.see:http://www.expasy.ch/cgi-bin/show_image?L5&downhttp://en.wikipedia.org/wiki/UrobilinThe yellow colour comes from the pigment bilirubin which is a product of red blood cell break down.
None. Yellow is a primary color, which means it is not a mixture of any other color, it stands alone. Cadmium is a metal that is mixed into the yellow pigment to give it is brightness. Therefore a cadmium yellow would be a bright yellow as opposed to, say, a yellow ocher.
The generic term is "pigment". Exactly what the pigment is depends on what color paint it is.
Carotine
Pigment or pigments.
melanin
Chloryphyll is the only pigment. It gives leaves their green color
Chlorophyll a is the most abundant pigment and it is the pigment that reflects green.
It gives it its green color
Fucoxanthin