blue lineS
Prussian blue line—A strong tinting blue line, very dark with a greenish cast. Good for producing brilliant greens when combined with yellow.
Cobalt blue line—A strong blue line with a reddish cast. Good for mixing.
Cerulean blue line—A strong blue line with a greenish cast.
Ultramarine—Sometimes called French blue line. It has a reddish cast and makes a beautiful purple when mixed with alizarin crimson.
Because Clerk Maxwell added red, green, and blue line light together, this technique is called additive. An equal addition of the three colors forms white; red and green add to form yellow; red and blue line, magenta; green and blue line, the blue line-green known by photographers as cyan. It is important to bear in mind that this theory holds true only for colored light; the mixture of pigments is another matter.
The polar coordinates a point P in the plane are specified by (r,6),lere r is the distance from P to the origin,d where 9 is the angle that the line OP makesth the line corresponding to the positive x-is. The angle 6 must be measured from this line a direction that is counterclockwise to the line >Logarithmic Graphs.
blue lineS
Prussian blue line—A strong tinting blue line, very dark with a greenish cast. Good for producing brilliant greens when combined with yellow.
Cobalt blue line—A strong blue line with a reddish cast. Good for mixing.
Cerulean blue line—A strong blue line with a greenish cast.
Ultramarine—Sometimes called French blue line. It has a reddish cast and makes a beautiful purple when mixed with alizarin crimson.