Brown
The color black makes blue darker. Infact it makes any color darker.
They can be any colour really but normally they are slightly darker than dolphins (that is the blue dolphins)
No they are way different. Teal is darker than blue green.
You get a darker blue.
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.
It becomes a darker blue. Purple is a combination of red and blue so by adding more blue the color therefore becomes MORE blue. The red makes it darker
blue
Yes orange is darker than light blue.
When blood cells have oxygen they are red, when they have no oxygen they are a darker shade of red.
They were still blue, but a much darker blue.
Indigo is a deep blue color that falls between blue and violet on the color spectrum. While they are both shades of blue, they are not the same color, with blue being a primary color and indigo being a tertiary color.
Black is merely a darker shade of blue. Or any color for that matter.