(1)Line drawing + Background
Fill in shadows around the eye.(3)Shadow method...
Make the border colour slightly darker than the rest.(2)Roughly painted
Since this time the eye is blue, the eye-line colour is also blue.
If the eye was red, the eye-line colour would be dark red.(4)Add a little lightening to the colours.(5)Highlights
A white that is close to yellow in colour.(7)Final step
Overlay with eye colour and similar colours.
Finished.(6) Eyeline + eyelashes
Upper part is close to black in colour.
Lower part is coloured like the shadows.