### Grayscale_resources

When -gray is selected, gnuplot honors the following resources for grayscale or color displays (shown here with their default values). Note that the default background is black.

| gnuplot*background: black
| gnuplot*textGray: white
| gnuplot*borderGray: gray50
| gnuplot*axisGray: gray50
| gnuplot*line1Gray: gray100
| gnuplot*line2Gray: gray60
| gnuplot*line3Gray: gray80
| gnuplot*line4Gray: gray40
| gnuplot*line5Gray: gray90
| gnuplot*line6Gray: gray50
| gnuplot*line7Gray: gray70
| gnuplot*line8Gray: gray30