Does background color on modular face with watchOS 9 use more battery?

[helloapple1]

Do you notice an increase in battery usage?

 

[Howard2k]

Yes. Black is the most power efficient. White is the least.

Choosing color sets can reduce OLED power consumption by up to 40% | OLED-Info

Researchers (led by Johnson Chuang from the Simon Fraser University in Canada) have shown that if you choose the color set on an OLED display, you can save up to 40% of the power required.Different colors in OLED require different power - for example yellow is more efficient than Magenta, at the...

www.oled-info.com

 

[helloapple1]

Yes. Black is the most power efficient. White is the least.

Choosing color sets can reduce OLED power consumption by up to 40% | OLED-Info

Researchers (led by Johnson Chuang from the Simon Fraser University in Canada) have shown that if you choose the color set on an OLED display, you can save up to 40% of the power required.Different colors in OLED require different power - for example yellow is more efficient than Magenta, at the...

www.oled-info.com

Darn it I did like the coloured backgrounds.

 

[Howard2k]

Nothing is free.

I haven't done any measurements to see if I notice a difference. There is one, but I don't know how much impact it has on overall power consumption.

I do use a black background usually, but I'll still colour the face if I feel like it.