add black
The color black makes blue darker. Infact it makes any color darker.
Yes, you can DYE a light color item, bleached or not, to a darker color.
when taking a dental xray how do u make it appear on the xray more darker in color?
Any color can be made darker by adding black.
Black.
The combination of a color with black to make it darker
A darker yellow....actually, yellow and purple make a darker yellow. Yellow and black make an olive green color, but the shade will depend on the amounts of each color you use to mix.
By contrasting it with a lighter or darker color depending on what you want to stand out
Red ochre.
No. Drinking coffee has no effect in your hair color. But if you rinse your hair with coffee, it will give make your hair darker.
Best way to achieve a darker color on your skin without tanning is to use a self tanner.
Red and blue make the color purple, but for dark purple you would mix red and blue together and add a bit more blue than red to make it darker.