Our product requires a lot of colors and we need to mark each color with a corresponding color and use different power and speed for different colors. I found that the color markers provided in the software are very limited and there is no white color. How do I need to go about adding custom colors
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You cannot change the colors in LB. They are hard coded.
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Hopefully the software engineers, will include a white color block in the next update?
Iâll bet a while line on the white screen is going to be impossible to see. A white fill isnât going to be much better, unless the background is black, but then one cannot see the black items nor the grid.
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Let me state Iâm not on the Lightburn staff and I donât know the internals of how their software functions. However you do pick up a few things about how it likely works. Add to that, I start getting confused about whatâs happening with only 10 layers.
Iâve used software like this where the color identifies the operation.
Lightburn does not operate like this.
Color in Lightburn corresponds to a layer, not an operation. Within the layer you can change the speed/power and many other things. There is a library function where you can store and assign data to a layer.
I believe the architecture of the Lightburn software precludes doing what you are requesting.
Of course we wonât really know unless one of the Lightburn staff drops in and advises us. 
At the top right of your browser is Feature Suggestions. Post it there and users vote on it.
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Even though all the wise things have been said about colors and their functionâŠ
I see the question as a consequence of @xuzhuqi not understanding the very basic principle of LightBurnâs layer system. We already use layers in this way as @xuzhuqi wants. These are our tools with the properties we have assigned to them. Red is the cutting torch, which many use exclusively for cut operations, black is for example writingâŠetc.
This in combination with the sub-layer option gives a very large number of âtoolsâ, which I cannot imagine not being able to cover oneâs needs.
NB. White color on a white background is not a good idea 
I have worked with 2 CAD systems specifically for packaging design that allow you to create a color map. Itâs an ASCII setup file that maps hard coded colors to what the user wants to use. If the CAD file is opened by a different user, it uses that users default color map. Their are two map files. One for a dark background and one for a white background. The color black gets switched to white on a dark background. Something like this:
*; Dark background - LB
map 00 color 255 255 255 *; switch black to white
map 01 color 255 0 0 *; switch blue to red
map 02 color 0 255 0 *; switch red to green
map 03 color 0 0 255 *; switch green to blue
*; White background - LB
map 00 color 0 0 0 *; black
map 01 color 255 0 0 *; switch blue to red
map 02 color 0 255 0 *; switch red to green
map 03 color 0 0 255 *; switch green to blue
I donât really have a need for color mapping in LB, because I only use LB for DXF import and a SVG export, and only use red, black fill, and blue. But, I can see why other users would want to define their own colors.
Lightburn has a âdark backgroundâ, but it isnât a true RGB black. This allows LB to also use RGB 0 0 0 (black) for Layer 00 with a dark background.
I am well aware that the colors and placement can be changed for layers in LB, but that is not what @xuzhuqi asked about in his initial request.
The op asked for custom colors in LB. LB colors are hard coded, and cannot be remapped
I must have misinterpreted this link:
Sorry
I think you are mostly correct. You can reorder the default LB colors with the json file. But, the json file does not let you use non Lightburn RGB colors.
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