Paint Basket Art Forum

Author Topic: How to make a transparent glaze  (Read 952 times)

Annie.

  • Artist
  • *
  • Posts: 3152
on: September 17, 2019, 02:38:01 PM
Hi everyone,
Thank you Gita and MaryLou for suggesting I post my question here.

I used acrylic paint.  I have done the monochrome challenge (used white to black scale), and I wanted to add a shocking but transparent color for the 5th object.  I am thinking bright transparent red.  I know, I am really trying to push my boundaries of comfort here  :heeha:

The problem:
The fifth object is detailed and I don't want to loose all the different values.  I had assumed that I just needed to dilute the red with medium.  I have the following poor results so far:
- The diluted color opacifies all the details of my painting, not only I loose the details but it makes the object really flat.
- With extra dilution, the color pigment seems to separate in the medium, and I see all pigment floating along the brush strokes which become visible.
- Try to find a color that is more 'transparent' (Golden has those scale on their labels), better but far from being satisfactory.  Also could not use a red.
- I used the Golden Gloss Acrylic Medium for above... tried changing the medium, tried GAC 800 and GAC 100 (I think), still poor results.

Woke up this am and though...haha!  Maybe oil paint in lots of oil maybe the answer (obviously it won't be watercolor).  Practically, I won't have time to make multiple applications, but maybe one will do.

What I am looking for is a bright, yet transparent contrasting color, that enhance the details of the under gray-scale painting.

Thanks for your thoughts  :thankyou:
Cheers, Annie
We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.    ? Plato


njnjgirl

  • Master Artist
  • *
  • Posts: 6719
Reply #1 on: September 17, 2019, 05:04:56 PM
I will leave this to Nolan and the others as acrylic is foreign to me.  Just wondering, why can't you paint the object in red, using the normal color mixing for the shadows and highlights? 
Mary Lou

Faith is the opposite of fear.


Annie.

  • Artist
  • *
  • Posts: 3152
Reply #2 on: September 17, 2019, 07:17:08 PM
hum... because I did not think of it.   Now it is done in details  :'( :'( :'(

:idea:   Maybe the trick is not to do a uniform glaze, but do put on a colored glazed that varies in value depending on the underneath gray-scale.  Would that make sense?

Maybe I could cut a piece of colored plastic sheet, glue it on... and call it mixed-media  :2funny: :2funny: :2funny:

Come to the worst, I will wait after the deadline and ask Nolan what should be done.
Cheers, Annie
We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.    ? Plato


nolan

  • Administrator
  • Master Artist
  • *
  • Posts: 13838
    • Draw With Nolan
Reply #3 on: September 17, 2019, 09:33:11 PM
glazes should be done in layers in order to retain the correct tonal values if you have done a grisaille layer below. A thin layer over everything, then more more layers the darker the area.


Annie.

  • Artist
  • *
  • Posts: 3152
Reply #4 on: September 17, 2019, 09:41:24 PM
Thanks for your reply.
But this technique is done with oil not acrylic, correct?  It take for ever to cure in between.
Cheers, Annie
We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.    ? Plato


nolan

  • Administrator
  • Master Artist
  • *
  • Posts: 13838
    • Draw With Nolan
Reply #5 on: September 17, 2019, 09:43:37 PM
no you can use acrylic as well. Zap it with the hair dryer until it is well dry, then apply the glaze gently with a soft bristle brush.

With acrylic, the more layers you have, the longer you need to wait between layers though.


Gita

  • Artist
  • *
  • Posts: 3000
    • Gita Vasa- Artist
Reply #6 on: September 18, 2019, 03:34:28 AM
Annie, I found this Video also informative.  :)

https://youtu.be/7c1oiCk2tmU
« Last Edit: September 18, 2019, 03:37:14 AM by Gita »
Cheers, Gita


Annie.

  • Artist
  • *
  • Posts: 3152
Reply #7 on: September 18, 2019, 05:46:06 AM
 :thankyou: Gita, just watch it. 

I also found a PB lesson 'Glazing a painting'.

Both helped, I was under the impression that the number of layers of glaze was dictated by the value of the grisaille.  I now realize that it is far less predictable.

I am testing a few products and will post my results if interesting.
Cheers, Annie
We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.    ? Plato


Gita

  • Artist
  • *
  • Posts: 3000
    • Gita Vasa- Artist
Reply #8 on: September 18, 2019, 07:45:22 PM
Looking forward to your painting Annie!
Cheers, Gita


nolan

  • Administrator
  • Master Artist
  • *
  • Posts: 13838
    • Draw With Nolan
Reply #9 on: September 18, 2019, 09:06:44 PM
 :gl2:


Annie.

  • Artist
  • *
  • Posts: 3152
Reply #10 on: September 18, 2019, 09:11:15 PM
Here is my practice of glazing on a grisaille scale.
#1 is acrylic in gloss medium
#2 is WSO in water
#3 is a commercial oil base decorative paint for glass.

Cheers, Annie
We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.    ? Plato


nolan

  • Administrator
  • Master Artist
  • *
  • Posts: 13838
    • Draw With Nolan
Reply #11 on: September 18, 2019, 09:17:30 PM
what I also do to control the intensity of the glaze is to add more or less medium to the glaze. for lighter values, use little pigment in the glaze. For darker values, add more pigment to the glaze.

Having said that I must admit that I am not a fan of the Gisialle and Glazing technique. I prefer to mix the correct colours and paint them direct. That has always given me a better result than glazing.

When I use glazing is when I need to do a colour adjustment. For example, maybe a colour has ended up too blue on the final painting. I will then mix up the correct colour and glaze it over the errant one.


Annie.

  • Artist
  • *
  • Posts: 3152
Reply #12 on: September 18, 2019, 09:24:02 PM
Thank you for your help Nolan. I appreciate what you are saying.  This is a classic case of not having plan the full study before starting.  I did the grisaille, then :eek:  what do I do now???

Positive side, push me out of comfort and force me to learn new things.  Those challenges are the best for me... lots of studying, sketching, creating something on my own, and trying new things.
Cheers, Annie
We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.    ? Plato


Annie.

  • Artist
  • *
  • Posts: 3152
Reply #13 on: September 19, 2019, 01:34:29 PM
OK,  after a bit of trial and error, I managed to do something I like.   :thankyou: for your help.

Now, the last challenge... get a representative photo.  It did not work on artificial light last night, maybe natural light will work better.
Cheers, Annie
We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.    ? Plato


nolan

  • Administrator
  • Master Artist
  • *
  • Posts: 13838
    • Draw With Nolan
Reply #14 on: September 19, 2019, 08:33:54 PM
Give the glazing a go. It is a good learning experience. If you are not happy, then just paint over it normally. (It will go very quick because you already know what to paint where O0 )

I am glad you got a result you like. Looking forward to seeing the final artwork :heeha:


 

SimplePortal 2.3.7 © 2008-2020, SimplePortal