Yamaha DME - Manual (Page 253)

Chapter 4 Designer
DME Designer Owner’s Manual 253
1
Click the [Custom colors] box where you will save the color you create.
The box you clicked will be selected and a frame will appear around it.
2
Set the color on the color palette.
3
Click the [Add to Custom Colors] button.
The selected color will be added to [Custom colors].
NOTE
You can save another color in a box that already has an original color saved in it. Just click on the box to select it.
The new color will overwrite the previous color, which will be lost.