37 Answered Questions for the topic Color

04/03/19

What kind of black should I use when designing for CMYK print?
My question is what kind of black should I use when printing. At the moment I use this black (split into CMYK): C:0% M:0% Y:0% K:100%It looks fine in InDesign or Illustrator but if I save a PDF... more
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04/02/19

Light fastness in NuPastel?
I am new to pastel drawing. I have a few Nupastels that I purchased a few years ago. I am interested in purchasing more of these, but I read a few posts on the web that Nupastels are not... more
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03/27/19

Who first discovered CMYK?
It has been used for colour printing for many, many years, but who (and when) first discovered that a bright pink colour (magenta), a light blue (cyan), yellow and black can be mixed to create... more
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03/27/19

Simple Spot Color Separations for Screen Printing?
Ok, I'm an Illustrator noob, but I've worked in screen printing. I made a design which is composed of an expanded Live Trace, a couple of rectangles with fills and strokes, and some text within... more
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Color Drawing Pens

03/26/19

What are requirements for ballpoint/rollerball colour pens for art-grade drawing?
Some days ago I saw incredible coloured pen-drawings in some exhibition. I would like to try this medium myself. But before buying some pens I would like to get some requirements for... more
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03/18/19

How to change color of an image in Illustrator?
When I open an image in Photoshop, I can easily change the color by double clicking on the layer and adding color overlay.How can I do the same in Illustrator? It doesn't need to be with Color... more
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03/18/19

How do I select all pixels that match an exact color value in Adobe Photoshop?
Is there any way to select _all_ pixels on the current layer that match a specific color value ***exactly***? My first instinct is `Select > Color Range...`, but I cannot determine how to input... more
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03/14/19

Does black and white photography still make sense?
I think at first it was because of a limitation of the cameras present at the time, but with the color cameras that we have available now, what do you think of black and white photos?In other... more
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Color

02/04/18

The energy of a pho ton can be any value along a continuous spectrum of energies ? True or false ?
Understanding color
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Color Chemistry Fire

11/08/16

Answer Questions & Explain Please
Ms. Johnson's grandpa used to entertain her and her brothers by throwing "fireplace crystals" into the fireplace. These crystals used to make the fire produce colors of red, green, and... more
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10/13/16

Blue light from White light
If you wanted to "create" blue light from white light, what would you need to do when given tools such as dyes?
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11/13/13

What light is reflected if a certain light was shined on a certain pigment?
Mixing Lights & Pigments - If the light of the color is shining on the pigments, what light will be reflected, if any?   I have put what I thought is the correct light being reflected. I... more
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