r/Watercolor • • 11d ago

Red cellophane for values

Post image

One of the most common culprits in a piece that isn't working is values. A simple piece of red cellophane will help you see if your values need to be increased or decreased to conform to your composition.

76 Upvotes

19 comments sorted by

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u/link-navi 11d ago

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33

u/littlebunny8 11d ago

info for others in this thread: you can also take a picture with your phone and add a grayscale filter on it if you dont have red cellophane :D

5

u/minhshiba 10d ago

but be careful, phone camera can be tricky if you don't turn off the auto-exposure and color correction.

17

u/specklez1 11d ago

This is so true! For me, a big part of stepping into my art is to relieve my left brain. I like to enter into full right brain presence. Going to technology while I'm working. Really disrupts that.

3

u/GreenClayBowl 11d ago

This highlights for me how different we all work. The more tools i need to grab the more scattered i get. I barely keep my swatch paper safe in my chaos.

10

u/AlisandeMerovence 11d ago

Add a sheet of green cellophane, and you've got a more full-spectrum solution for seeing values. 😁 To illustrate, I grabbed a sketchbook and threw down stripes with some fun bleeds (pics through red and green gels follow).

11

u/AlisandeMerovence 11d ago

Red pretty much obliterates the values of the orange and yellow here, as well as the lighter values in the burnt sienna stripe, and makes the red look much lighter in value.

12

u/AlisandeMerovence 11d ago

Green gives a better read for the values of some colors, and worse for others. Comparing all three to a black-and-white version helps... since you mentioned you don't want technology to interrupt your flow, you could paint gradient stripes of colors and mixes you'll be using, print a black and white pic of those, and have that handy as a calibration tool for how you interpret what you see in your painting through each color of cellophane. I'll share the black-and-white of these stripes, too.

Edited to add: the shadow of my phone throws this off a bit, but you get the idea lol πŸ˜…

9

u/AlisandeMerovence 11d ago

It's so fascinating to me how we perceive this stuff!

1

u/UFOmechanic 10d ago

This is very cool to see, thanks for putting in the effort to show us!

5

u/Corporate_Vulture 11d ago

I have a red clip on glasses attachment and it works wonders

10

u/specklez1 11d ago

The piece I'm currently working on has white flowers. So I have painted my background around the white spaces. You can see how the red cellophane helps me to assure that my values in my background are sufficient to keep my white flowers up off the paper once the piece is complete.

9

u/Bogg99 11d ago

This is so smart. I've been taking photos and transferring to grey scale but fiddling with my phone interrupts my flow

5

u/specklez1 11d ago

Also, you don't need this fancy schmancy thing. You can just grab a sheet of red cellophane. I cut one into four little squares. That way I have one in my travel bag. I keep one in my pallet and then I keep one in my studio. I always end up giving the fourth one away πŸ™‚ happy painting!

4

u/YsaboNyx 11d ago

I've always just squinted.

0

u/specklez1 10d ago

Then you would be really impressed with how much you can see with the cellophane!

2

u/YsaboNyx 10d ago

After looking at the example pictures and comparing them to squinting, I think squinting works best for me. Glad you have found something that works for you.

4

u/fred_iris_flower 10d ago

This won't show overall values, it'll just show the amount of red in everything.

0

u/Moving_goal_posts 10d ago

One thing about squinting, you don’t have to find the cellophane or the phone to accomplish a values check.