How Well Do You See Shades of RED?

After testing your black, blue and green color vision, we thought we'd go for a color that many have an issue with - RED. In this quiz, we're going to ask you to read a word written in various shades of red on a red background - can you see the words? Dim your lights and up the brightness on your screen to see them as clearly as possible.
 
 
What word appears in this image?
Burly
Surely
Shirley
Curley
 
 
What word appears in this image?
Cheese
Tease
Greece
Please
 
 
What word appears in this image?
Bramble
Angle
Apple
Fumble
 
 
What word appears in this image?
Moses
Hopeless
Joseph
Doses
 
 
What word appears in this image?
Wolf
Wolt
Volt
Colt
 
 
What word appears in this image?
Telegram
Shazam
Madam
Napalm
 
 
What word appears in this image?
Sky
Guy
Fly
Spy
 
 
What word appears in this image?
Dust
Rust
Bust
Lust
 
 
What word appears in this image?
Giraffe
Half
Behalf
Gaffe
 
 
What word appears in this image?
Sleep
Keep
Leap
Weep
 
 
What word appears in this image?
Screech
Leech
Speech
Beseech
 
 
What word appears in this image?
Istanbul
Vestibul
School
Rule
 
 
What word appears in this image?
Antenna
Vienna
Melena
Persona
 
 
What word appears in this image?
Birds
Herds
Words
Thirsts
 
 
What word appears in this image?
Weird
Beard
Appeared
Feared
You Don't See Red Very Well
Our color perception comes from billions of neurons interacting and using our vision system to display millions of colors and hues. Red, being a tricky color and sometimes invisible to some with problems in their color vision, is one of the most important colors and hues we should be able to distinguish. Make sure your screen is on normal brightness and that your eyes aren't tired - and try again! If not, you can also have a look at the answers.
You See Red Just Fine
You have a normal person's hue detection for the color red. That is critically important, as many do not have the ability to very subtle change in hues of red and green, especially men. Thankfully, it seems you have normal vision and a normal ability to detect shades of red, so you probably don't have any color vision problem - we're happy to report!
You See ALL the Reds!
Wow, you must see like an eagle! Your ability to detect and differentiate between shades of red is impressive as heck! Many people have a problem with red because a red/green colorblindness is very common, especially among men. Red is linked to green in our brains and so often the colors are connected. You not only have the normal level of red differentiation but way above average! You must have the ability to see very small changes in hue, which really impressed us. You ACED it!
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