Wallpaper color not true - Fire HD 8 and HD 10 Q&A, Help & Troubleshooting

Fire hd8 not copying iPhone pc blue color correctly it looks faded grey. Not bright blue.

I noticed the same problem. It's not nearly as vibrant as the Fire 7 screen either. I had to edit the photo I was using to add brightness and a bit more blue, blur/clarify the sky etc. and it now looks better, but still not as good. Also noticed that screen brightness slider influences the saturation and color too.

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Does using a darker (not necessarily black) wallpaper save battery?

Does using a darker (not necessarily black) wallpaper for my galaxy note save battery?
I know a black one is suppose to since the display would be off in the black areas, but what about dark blue, or dark brown or a generally darkish looking wallpaper?
How do those colors/color combination compared to using a background that has brighter colors like normal red, green, etc...?
Yes it Does
I have 2 identical wallpapers on my phone One is the original photo shot I took of the sun setting Lots of White, Yellow and orange
I colorized this photo so it is dark blue and tested the blue one Dark blue mostly show less battery drain (predictable)
.....So, Yes

[Q] Screen color temp and contrast?

Okay, so, one of the things that's really disappointed me with some recent Android tablets I've tried out has been the screen's color temperature and contrast:
1. The Samsung Galaxy Tab 2 7" and Toshiba Excite 10 all had very cold screens, with very blue-ish whites. Also, contrast was poor on both, so reading ebook on them with black text on a "white" background was unpleasant.
2. On some Primes I tried, whites were a dingy yellowish color (although I'm not sure that's because of the temp or some other issue), while some were a nice neutral-to-warm color.
3. The Toshiba Excite 7.7 screen varies depending on how much black/dark colors are being shown, clearly a power-saving feature. On screens with a lot of whites, the temp is made much coolor and contrast is reduced. On screens with a lot of darker colors, temp is warmer, contrast is increased, and whites are much less blue.
So, what I'm wondering about the Nexus 7 is this: what's the apparent color temp? Are whites "white," or are they yellow-ish (warmer) or blue-ish (colder)? And how's contrast, specifically black text on white?
I know I'll get the darn thing in a few weeks, but in the meantime I'm not finding any reviews that say anything other than "great screen for the money." And unless someone's being really careful, it's tough to show screen colors and temperature in pics and video...

[Q] N7 Screen issue-too much contrast

Hello. I've been around for a few years using N7 ROMS/Kernals as well as Galaxy nexus and now GS3 Clean ROM. My question is regarding the screen contrast. Seems latel my screen has gotten worse with the background contrast. Blacks are gray and everything is so saturated in colors, my home screen is so bright even at 15% brightness. I have tried the screen tester app from play and the white saturation test blinds me out of the water, same for contrast. I can adjust it down but its only good for that session, doesn't hold. I've tried multiple ROMS and Kernals and nothing is killing this over saturation of contrast. Is there anything out there that can reduce this? Its pretty annoying. Everything is so washed out.
Thanks!

[Q] Stretchy blacks in low brightness

When in low brightness the blacks get jelly like stretching effect when in motion. I notice this all the time, with text and whatever. Most noticeable if a picture has something dark surrounded by bright area, scroll up and down and see the block stretch like rubber. What's up with that and why haven't I seen it mentioned in any review.. Very obvious artifact.
Keisarinn said:
When in low brightness the blacks get jelly like stretching effect when in motion. I notice this all the time, with text and whatever. Most noticeable if a picture has something dark surrounded by bright area, scroll up and down and see the block stretch like rubber. What's up with that and why haven't I seen it mentioned in any review.. Very obvious artifact.
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I have this same problem. Anyone have any idea what it can be?
You're seeing the pixels turn on and off as they turn off for black. All amoleds do it. Usually more noticeable when the brightness is lowered and it is white on black.
There is no pure black color. Black pixels aren't off. Later I will try make some photos to show this. I don't have this in S5, where black and gray colors are perfect and looks like in every amoled LCD's should be.
on older devices(saw this with the note 2) black would be near-black(leaving a slight grey/greenish glow only visible in complete darkness)
with the note 4(don't know about S4/5 and note 3) they decided to enable "true" black, allowing the pixels to turn off completely when displaying black.
switching on/off takes a tiny bit longer than changing intensity, which causes visible ghosting.
this is only noticeable in very specific circumstances, so most people never see it happen.
Black color looks it like with sephia filter. I don't know what it is. I changed ROM-s and kernels, still this same. On S5 black color is beautiful, Note 4 looks terible, especially in dark rooms. See atachments.

Color saturation & accuracy

If you're colorblind, please disregard this thread. Rate this thread to express how you deem the color saturation and accuracy of the Xiaomi Mi 8's display. A higher rating indicates that you think that color accuracy is very high and saturation is excellent.
Then, drop a comment if you have anything to add!
Yesterday i got a mi 8 6/128 and i found for now 2 issues till now the first one is that when i want to take slow motion video it flickers a red light like hell, the second one is the screen itself when holding the phone and looking at it straight in front the color of the screen seems a bit yellowish also the colors are a bit under saturated when i see the screen from a side view even from bottom or from any side the colors pops out and the white backround is white as it should be i think it has something to do with the front glass that covers the panel and i don't know if there is a way to fix that, i use cool color reproduction on settings but it still annoys me.
bad-3_j said:
Yesterday i got a mi 8 6/128 and i found for now 2 issues till now the first one is that when i want to take slow motion video it flickers a red light like hell, the second one is the screen itself when holding the phone and looking at it straight in front the color of the screen seems a bit yellowish also the colors are a bit under saturated when i see the screen from a side view even from bottom or from any side the colors pops out and the white backround is white as it should be i think it has something to do with the front glass that covers the panel and i don't know if there is a way to fix that, i use cool color reproduction on settings but it still annoys me.
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I haven't noticed any screen issues on mine, but i have taken a lot of slow motion videos (both in 120/240fps and in 1080/720p) and i've not seen a red light at all.
bad-3_j said:
Yesterday i got a mi 8 6/128 and i found for now 2 issues till now the first one is that when i want to take slow motion video it flickers a red light like hell, the second one is the screen itself when holding the phone and looking at it straight in front the color of the screen seems a bit yellowish also the colors are a bit under saturated when i see the screen from a side view even from bottom or from any side the colors pops out and the white backround is white as it should be i think it has something to do with the front glass that covers the panel and i don't know if there is a way to fix that, i use cool color reproduction on settings but it still annoys me.
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Regarding that yellowish thingy i just set my display color to cool since the default is a bjt ywllowish for me too

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