why are my foam particles are shaded in black to grey

[newborn]

my splash and foam particles are coming as black and grey in viewport. attached image. i have not changed system colors for splash and foam in preview. they were looking fine some time ago.

[zdravko_pavlov1]

Hello. Can you please take a screenshot of your Preview rollout? Also, the source settings, please.

[newborn]

Hello. Can you please take a screenshot of your Preview rollout? Also, the source settings, please.

here they are

[zdravko_pavlov1]

Can you send the scene? Only the phoenix related stuff. The simulator, the source, and the emitter geometry.

[newborn]

Can you send the scene? Only the phoenix related stuff. The simulator, the source, and the emitter geometry.

here it is to send.rar

[zdravko_pavlov1]

You are exporting an RGB channel for the splash particles, which isn't defined and is black. The gray color comes from the preview settings that make the particles brighter based on their speed. Black becomes grey.

https://gyazo.com/e949cbabb409d1486000a987d1efabda

[newborn]

You are exporting an RGB channel for the splash particles, which isn't defined and is black. The gray color comes from the preview settings that make the particles brighter based on their speed. Black becomes grey.

https://gyazo.com/e949cbabb409d1486000a987d1efabda

you are the best. thanks for quick response