Which Square Is Darker - A or B? Only 1% With Exceptional Perception Skills Answer Correctly In 5 Seconds!

Sep 25, 2025, 12:43 IST

Do you enjoy putting your vision to the test? Then prepare to be amazed! This checker shadow illusion is going to take you deep into the world of optical illusions. This ultimate viral visual illusion presents a challenge where you are to tell which square – marked A and B – is darker. Can you figure out the answer to this mystery in 5 seconds? Let's see!

Which square is darker - A or B?
Which square is darker - A or B?

Optical illusions are the ultimate test to challenge your perception. These mind-bending puzzles can reveal if you can outsmart visual tricks. See, optical illusions work on a simple mechanism, and that is to deceive your brain's visual processing, thus leading to misinterpretations of reality.

These mind-bending visual illusions find a respectable place in the field of psychology and neuroscience for assessing IQ, evaluating attention, visual processing, and even insights into one's personality traits. 

Optical illusions are notorious for exploiting the gaps in information between what your eyes see and what the brain interprets. These illusion pictures often use patterns, light, and strategic placement of elements to trick your mind, and it is in that moment that these tricky illusions measure your ability to notice subtle differences. 

Do you enjoy putting your vision to the test? Then prepare to be amazed! This checker shadow illusion is going to take you deep into the world of optical illusions.

This ultimate viral visual illusion presents a challenge where you are to tell which square – marked A and B – is darker. Can you figure out the answer to this mystery in 5 seconds? Let's see!

Which Square Is Darker—A or B? Only 1% With Exceptional Perception Skills Answer Correctly In 5 Seconds! 

which-is-darker-checker-square-optical-illusion

Here is your optical illusion for the sharpest minds out there! If you believe you are one of the most visually perceptive then take this illusion challenge to answer which checker square is darker? No guesses, a genius mind like yours should take a precise take on the answer.

Let us first set up a timer for 5 seconds. Time will fly in a jiff. So brace yourself, find a quiet place, and remove all distractions. We want you to be super focused. The illusion is a tricky one.

Here are some tips to solve this checker shadow illusion. So your challenge is to tell if A appears to be darker than B? 

This illusion is checking your brain's contextual interpretation of a visual scene. Your brain is designed to process visual information based on context. 

It can make judgement error in assessing the lighting, texture, and surrounding context. So you have to be wise to crack this tricky checker board puzzle. 

Observe the square in isolation. Which appears darker? Is it A or B?

C'mon do not give up! With timer ticking, it is a race against time and the 99 per cent of people who failed this challenge.

Did you figure out which checker square is darker - A or B?

Guess The U.S. State By Landmark! Only 1% With High IQ Can Tell Where Is This In America?

Answer Revealed!

Time's up! Ready to be amazed? Well, both the squares are the same shade. This illusion makes both squares appear to be different shades of colour but they actually the exact same shade. This Checker Shadow Illusion is also known as Adelson's Checker Shadow Illusion. So did you figure out the answer by yourself, tell us in the comments!

Roopashree Sharma
Roopashree Sharma

Deputy Manager

Roopashree Sharma is a seasoned content writing professional with over 5 years of experience in digital journalism, specializing in education, science, trending, national and international news. She holds a degree in Journalism and Mass Communication and has contributed to leading media houses including Zee, Times, and India TV. Currently serving as Assistant Manager – Editorial at Jagran New Media, she writes and manages content for the General Knowledge (GK) section of the Jagran Josh (English) portal. For inquiries, contact her at roopashree.sharma@jagrannewmedia.com.

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