I Painted My Entire Room With Musou Black-The World's Blackest Paint
In this video I paint my entire room with Musou Black to see what it looks like when the walls around you absorb over 99% of the light in the room. What happens when you turn on a light in the room?
Musou Black: www.ko-pro.black/product/musou-black-paint/
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*Any experiment you try is at YOUR OWN RISK. The Action Lab assumes no responsibility for any injury if you attempt anything you see in this video or on The Action Lab channel.

  • The Action Lab
    The Action Lab

    I only ran into the wall once! Extra points for anyone who can spot the cell phone flashlight I accidently left on in my pocket...

    • Daya McCarthy
      Daya McCarthy

      Your intro was perfect 😂😂

    • Ahmed Aljbury
      Ahmed Aljbury

      The funny thing that while i was reading the comment the clip where the flash light was turned on in it in his pocket showed up so it was perfect timing 😂

    • Kevin Kelley
      Kevin Kelley

      How is it gonna look? Like if you went in you would be calling through time and space.

    • U N C L E R U G B U R N
      U N C L E R U G B U R N


    • RelaxedJay

      I saw it

  • Serge Mi
    Serge Mi

    just incase y'all forgot, its the blackest room

  • wolvix '
    wolvix '

    Next make a maze like that

  • Monaca Towa
    Monaca Towa

    5:18 when you forgot to save last time you play animal crossing new leaf

  • Danny Benhur
    Danny Benhur

    He is floating in mid space... Lop

  • Mustafa Naik
    Mustafa Naik

    Now watching this on an oled display is trippy

  • James Hoots
    James Hoots

    Hello darkness my old friend

  • jive fool
    jive fool

    I don't get the point... If you own the home, you just lowered the resale value and will stick the new owners with a total PITA. If you rent, kiss your security deposit goodbye. Either way, you wasted money to lose money on stupid... Although, I'm sure that it's BLM approved...

  • Baba Loo
    Baba Loo

    I wanna paint my boat with that

  • Andre

    Yes, ALgone. I do, in fact, want to see a guy paint a room black and turn a light on in there.

  • Liberty309

    I see my future theater room painted with this.

  • Angry-porta- charger
    Angry-porta- charger

    When he turned on the light bulb i got fnaf checklist vibes

  • Jared Hogfoss
    Jared Hogfoss

    wonder if you were to take pictures of something with light on it how the pictures could come out.. then i also wonder if its possible to do photogrammetry with that room

  • Dog

    Could you imagine if that’s his room...

  • Galaxy - 01
    Galaxy - 01

    Imagine if robbers will paint self would be funny to see it how cops try find guy in the dark :D

  • Joshua Paul Porter
    Joshua Paul Porter

    lololol best first 11 second intro

  • Jazmin Lopez
    Jazmin Lopez

    I want to see someone fully covered in this so that when they stand in this room you can’t see them until they open their eyes

  • ScopeKing1994

    Just knew these vids would happen

  • W 26
    W 26

    Fake, its a greenscreen

  • The Apple Guru, Nolan Beichner
    The Apple Guru, Nolan Beichner

    2:56 what you came to see. Thank me later

  • EricBHL

    Green screen duh

  • Avee

    The opposite of the apple commercial room

  • Jon-John Pinckney
    Jon-John Pinckney

    5:17 - "Is this the reeeeal life!, is this just fantasy..."

  • Oompity Loomps
    Oompity Loomps

    This room has the nigga word pass

  • lilly imaginator
    lilly imaginator

    I wonder how does it look like in a naked eye. In videos many things can look black even if in reality you can see them clearly. I wish i could really see how black it is

  • Elliott Pimp daddy
    Elliott Pimp daddy

    You should color your self in that black

  • Mark Rosenwald
    Mark Rosenwald

    I love how his wife shut down painting an actual room right way

  • Víctor Rodríguez
    Víctor Rodríguez


  • Vortex

    Does that mean that that is the perfect green screen

  • Kevin Luo
    Kevin Luo

    This made me realize how dirty my screen is.

  • Chris Holman
    Chris Holman

    "I'll be painting our room with the blackest paint" Wife: "You ain't painting our room black" Next scene: "I built a room to paint black" 🤣😂🤣😂🤣😂 We know who's the boss! 🤣😂🤣😂

  • Elisabeth S.
    Elisabeth S.

    News flash - you do not have to see the other person to have a conversation.

  • Hommie Dorito
    Hommie Dorito

    Id just walk in and out all day and say Rise and shine doctor Freeman

  • Quinn Dickens
    Quinn Dickens

    How about worlds brightest flashlight vs the room

  • Hentai Daisuke UwU
    Hentai Daisuke UwU

    I actually wanted to do this on my room😳😳 it looks so cool Add some neon light and it'll feels like you are in space.

  • Coffee Cats Kimchi
    Coffee Cats Kimchi

    They should use rooms like this to teach kids about space and light!

  • Sajjad A
    Sajjad A

    14 year old libtard girls on tik tok: “Is he seriously exploiting black people for views?? ✨cancelled✨”

    • Ayush Sharma
      Ayush Sharma

      Lmao so true

  • Cray ven
    Cray ven

    That's really cool. Like lighting characters in a game engine xD

  • Jacob Castro
    Jacob Castro

    Where's the 100,000 lumen flashlight?

  • Kelley King
    Kelley King

    0:20 poor me showing off my house

  • SkidMcmarxx

    Dude. You talk. So. Weird.

  • Nefernefertuaten Nefertiti
    Nefernefertuaten Nefertiti

    Can you give me one plss am begging to have that thing huhu

  • Jacob Castro
    Jacob Castro

    Wonder if you could use this in tattoo ink?

  • Jason Silva
    Jason Silva

    Portal? More like the way out of reality itself...

  • rufftuffman rufftuffman
    rufftuffman rufftuffman

    wow its like when you go to bed

  • rufftuffman rufftuffman
    rufftuffman rufftuffman

    my guess what happens if you paint a room black is that it will look black

  • xTyper

    Paint a light bulb with the blackest paint then turn on the light

  • Max Martin
    Max Martin

    did you try the worlds brightest flashlight in there?

  • Anime Spongebob
    Anime Spongebob

    Make clothes in that color

  • Johnny Plank
    Johnny Plank

    5:05 he look like he in a green screen lmao

  • mateo._.hobbylos

    Finally a video thats not clickbate

  • se7enine

    If only this paint was available when Bam Margera painted April's kitchen blue.

  • But I'm scared of the dark!
    But I'm scared of the dark!

    What I want: a room painted with this that also has micro LEDs in the walls and ceiling making constellations. On the floor, blankets and cushions and pillows. White sound machine in speakers in the walls

  • J. Seagroves
    J. Seagroves

    Paint a cheap car with this paint

  • J. Seagroves
    J. Seagroves

    Your going to have creepers spawning in your garage.

  • PlutonicInsomnia

    Now paint a table or some chairs with musume black and put them in the room and see if you can find them

  • Kalvin Lee
    Kalvin Lee

    It gives me anxiety

  • Dotdlin SS
    Dotdlin SS


  • No U
    No U

    Welcome to Black space

  • matsv201

    What happen if you have a 99% white room? It should be really efficent

  • matsv201

    Its like you turn rtx off

  • Lasse

    This is just crazy, 'Thank you that I was able to see this mind-blowing amazing painted room!

  • ms sweetmissy
    ms sweetmissy

    For someone who's scared of darkness this is the most horrific thing ever, but I still think it's cool. I just would never go in there 😅

  • Josiah Schumacher
    Josiah Schumacher

    Now use the world's brightest flashlight inside

  • Christian Vibora
    Christian Vibora

    Why didn't you pointed the camera to the light source?

  • Tai J
    Tai J

    Lol now I understand how husbands get in trouble.. she thinks he's building her a She Shed in the backyard for their anniversary comes to find out just building a room he can paint black 😅🥴

  • Oc Va
    Oc Va

    what if you paint your car with that color???? 😏 I dare you

  • zson fran
    zson fran

    dont follow the light

  • Toujou Nozomi
    Toujou Nozomi

    By entering this room you confirm that you are not Anish Kapoor, are not affiliated with Anish Kapoor, you are not entering this room on behalf of Anish Kapoor or an associate of Anish Kapoor. To the best of your knowledge, information, and belief this room will remain inaccessible to Anish Kapoor.

  • Beata Michek
    Beata Michek

    My dude just created the void . Get ready for vessels

  • Kevin Vitale
    Kevin Vitale

    Funny story... my first engineering job had a dark room. Over the weekend painters were told to paint the engineering department... they painted the dark room black. We experienced the same sensations as this video. Uh, the walls were immediately painted white again.

  • 000

    imagine a maze painted with this color

  • Shah Rizar
    Shah Rizar

    This is the best black paint experiment.

  • Abhijeet Chaudhary
    Abhijeet Chaudhary

    2:00 its weried how the fabric and his pant are same black

  • Ominous Blossoms
    Ominous Blossoms

    My brain always feels happier when I happen upon channels that are doing cool things like this!

  • unholyrevenger72

    do what ripley's believe it or not does install small lights on the wall and ceiling, then mirrors on the floor to create a "space room"

  • Nero

    Any cave dwellers will like this

  • Xcùz

    This is really cool for filming

  • Who

    Introverts be like: INVEST

  • Bad Think
    Bad Think

    literally black

  • Brendan Reamer
    Brendan Reamer

    6:22 remember, Commander. We will be watching

  • Rafael Castor
    Rafael Castor

    You paint a room like this where i live and you're basically inside an oven at all times

  • Yan Marchuk
    Yan Marchuk

    Don’t you need to primer before painting?

  • D.R Paradox
    D.R Paradox

    Now I wanna see a house of mirrors or at least hall of mirrors but the ceiling, floor and entrance door are painted entirely with this paint and have just one light source in it

  • N I C E
    N I C E

    Someone please give this guy some pair of nice shoes


    I went into a house that was in a fire alot of the rooms looked like this.. My flash light did nothing basically.

  • maggs131

    I thought oooh I could paint my one wall in my gaming room with this stuff. Then I looked up the price 😳 nevermind 😞

  • I M
    I M

    A good idea: Use this room as a second studio for your videos. Put some proffesional lighting too 😁

  • Theolyn Warrender
    Theolyn Warrender

    So repetitive. You could’ve made this video 5 minute long but just dragged it out.

  • Manuel SGM
    Manuel SGM

    Man, you've done the experiment I just wanted to see. Thanks. I'm sharing it

  • BeensAfterDark

    Would night vision goggles work in this room?

  • Zippitty22

    Umm....excuse me?! This is 2021....it's the World's African Americanest room.

    • Ayush Sharma
      Ayush Sharma

      I love your sense of humor, my friend

  • corbeq

    dark souls players are sweating right now

  • Soal


  • Cool Gamer Kid
    Cool Gamer Kid

    This man's face always looks like he's in pain is like hide the pain harold but as a science youtuber (no offense but true)

  • Robertas D
    Robertas D

    Hello vsouse here you have light or do you?

  • Funeral Giggle
    Funeral Giggle

    Every goth thinking, “yeah...like my soul.”

  • Lance

    I really need to paint my room in musou black

  • karielok

    this is super fun

  • irish lad
    irish lad


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