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Decorating 101: Tinting

Anytime you use a perishable icing or decoration, the baked good must be refrigerated.

Tinting sugar or coconut flakes.

Tinting chocolate

About Color:  When using color with food, it should always look appetizing. It can transmit different feelings and moods.

Warm colors are yellows and reds and cool colors, greens and blues.

Dark colors such as black should be avoided as much as possible because they may give a bitter taste (especially black and red) and stain or color the inside of the mouth! There are ways to prevent some of this. See Special Color Notes.

Professional Strength Colors & Supplies:

Either gel or paste colors or Petal Dust can be used to tint frostings, sugar or coconut or marzipan. Cookie dough can also be tinted. 

Food color is available in four concentrated forms: liquid, paste, powder and gel, but there are others. Always apply less color and then blend before deciding to add more. When mixing wear gloves or a light coat of shortening on your hands will keep them from getting so badly stained.

All supplies can be purchased from a cake decorating stores or from wilton.com or sugarcraft.com. The following is information about each type, however always follow the instructions on the container, as it may differ. And, remember to always keep any color tightly covered in a dark, cool place where they should last for about a year.

Liquid Food Coloring: There are three kinds of liquid color: liquid paste, airbrush colors, and liquid colors that you buy in the grocery store. The grocery store liquid food coloring, the most often used,  comes in little bottles but give a weaker color compared to the paste or gel color. A little of any food coloring goes a long way, so it's best to begin with only a drop or two, blending it into the mixture being tinted before adding more.  
Paste colors:  Food coloring paste, which comes in a wider variety of colorsand are a very concentrated form of color. They give more vivid and deep colors than gel colors, but should be used in very small quantities. 
Powdered colors: These colors are highly concentrated and can be used in any icing and also in candy making since they contain no water or thicken a chocolate coating. Used for coloring sugar, coconut for Easter "grass", sand, etc. 
Gel colors: which I prefer, are widely available in specialty stores and through some online catalogs. They impart a strong color and are easy to use, blending in more easily than the paste colors. 
Icing Whitener of Liquid Paste (titanium dioxide): This liquid whitener can be added to tinted icing to soften colors or to whiten icing made with butter or margarine. 
Powders, Dusting Chalks or Dusts: Dusting chalks are also known as powders, blushers, highlighters, dusts, and chalks and are the driest form of color available. Variations from the basic colors must be mixed by the decorator. They are very strong and should be handled carefully as the powder is very fine and drifts in the air, staining surfaces, especially porous. Make a small opening in your container to help contain it. Dusts can be applied with a soft brush or sponge or a pale wash of color can be painted on the icing and allowed to dry, then a fairly dry brush can be dragged across to give a wood grain effect.

Some examples - Dusting Powders: Normally these are painted or brushed on adding those highlights of silver or gold or soft shading for a more realistic flower, leaf or etc.
Petal Dust: For tinting, petal dust is a very concentrated powdered color available in a wide range of color. It is first mixed with powdered sugar and then sprinkled or dusted over the surface for color or definition, brushed in specific spots or dusted over a stencil. Colored Luster Powders: are available to brush on after the Fondant has dried.

Glycerin: used to soften dried paste food color.
Candy Coatings: Use Mercken's Candy Coatings. They come in a myriad of colors and all you do is melt them.

How to Apply Color:

Tinted icing, will turn darker overnight, especially the red family, so make it 24 hours before a shade lighter than desired. (On the flip side, icing will fade if exposed to sunlight or heat.) Afterwards, then decide to increase the color or tone it down, if need be. Remember any additions will darken over time, too. 

However, the color you can achieve will vary depending on what type you use. I always recommend practicing with a batch of icing and letting it sit overnight as a test. (Take notes on the color(s) and the amounts used and how long it sat.) 

You'll never be able to duplicate the same color in another batch, but at least you'll get an idea about how much the color changes.   

To adjust the color of the icing, increase it one toothpick dab at a time. If the color is too dark, take out half of it and combine the remainder with some of the untinted icing, previously set aside. You can also use Icing Whitener.

Color can be applied to frostings, dried fondant surfaces, and the like. The general rule is if you want a deeper shade, use more color. If you want a lighter shade, use less color. But, don't add too much color at the beginning -- you'll be surprised at how just a little bit goes a long way. You can always add more color, but harder to take it away, but it can be done. Remember: colors darken as they sit.

When decorating a cake with tinted frosting more than enough to begin with, because if you need more, it is almost impossible to duplicate the same color in a second batch. When using, make sure to keep it in a covered, as the frosting dries up rather quickly and crusts. I like to use a damp kitchen or paper towel as a covering, but plastic wrap works well, too. Keep a cup or two or more of the main icing because you may need it later. 

After the cake is decorated, it is best to store in a cool room out of direct light. But, if it has perishable icings, you must store in the refrigerator. In that case, decorate the cake after it is removed from the refrigerator and allow to warm to room temperature. Then, decorate right before serving; condensation may form in the refrigerator which can cause colors to bleed. 

If you run out and have to mix more, put a thin layer of icing of the old batch and then the new right beside it on white paper. Let it dry and compare.

To dilute the colors, I prefer to mix them with a small amount of vodka or gin instead of water to "water" them down. 

The variables in applying color: There are no absolutes in mixing colors because of the many different things that can affect the color. Some of these variables are l) Ingredients in the icing: 2) Temperature and humidity: 3) Time: 4) Light.

from http://www.earlenescakes.com/color.htm

1) Ingredients in the icing: Shortening, margarine, and butter make colors turn darker, whereas lemon juice bleaches out or softens colors. If you use salt in your buttercream icing, mix your colors the night before: because if the salt is not thoroughly dissolved, it will leave little light spots in your icing. Canned Milk, regular dark vanilla and cream cheese give an off-white color to “white” icing and also affect other colors: such as, blue acquires a greenish cast and soft pink will become more of a peach color.

2) Temperature and Humidity: In icings which contain shortening, margarine or butter, the temperature of the room, heat of your hands, and warmth of the liquid you add to your icing can affect your color. The warmer the room, the softer the frosting gets and color seems to darken or get deeper. After you fill the bag, the heat of your hands will make the color deepen even more. The use of hot water to soften colored buttercream icing that is too firm also seems to make the color deeper. The amount of time it takes your frosting to dry (or get a crust on it) is controlled by the humidity. The longer it takes to get dry, the more the colors seem to darken.

3) Time: When using buttercream icing, soft colors can be made and used immediately and will only darken slightly. But when you are striving for dark colors, mix in the colors and then let the icing sit overnight before decorating: and you won’t have to use quite as much color. Charcoal gray will turn black, and an “almost” red will turn bright red. When mixing red, I start with a bright orange or pink and add red food color. This cuts down on the amount of red color needed and helps prevent the bitter taste associated with too much red color.

4) Light: After your creation (flowers or total cake) is finished comes the time to protect the colors from fading. Pinks are especially susceptible to fading out. Hot ink can be reduced to almost white when exposed to sunlight: purples to blues: blues to gray: black to purple or green. Just be careful to protect your colored sugar work from sunlight or other bright lights.

To use the gel or paste colors, take a flat toothpick to poke a hole through the foil that tops the color. Dip a clean toothpick into it and streak your icing a couple of times. Use a new toothpick every time you put it in your container of color. Otherwise, you will cause it to spoil from the introduction of icing. 

It will take you a few minutes to really mix in the color ,preferably by hand with a spoon or rubber spatula. Mixing with a mixer or wire whisk will introduce too much air and cause air bubbles to form throughout the recipe. 

If you tint buttercream, do not add any eggs, or meringue powder. Any emulsifying agents will not allow the deep color to develop properly.

Deep colors look best as accent colors only. They can be blended: thoroughly mix in the first color and add the other, one dab at a time, making sure you mix well after each addition. 

Fondant: Use thick paste colors to color Fondant, as liquid colors will make it too wet. Set some extra Fondant aside.

Add a touch of food paste color to the finished recipe or pre-made Fondant. Knead (with a lot of elbow grease) or mix in a food processor fitted with a plastic blade. At first it will separate, but it will soon come  together. Intensely color only a handful and then add that to the remainder. Darken if necessary. Knead more white fondant in if you need to lighten it.

If kneading the color into the Fondant, make sure you wear thin gloves, because the color will tint your hands.

Gum paste dough can be tinted or painted when dried, using any paste or gel color.

Cookie Dough: To color cookie dough, when baked, they are always a lighter shade than the dough. (More about cookie decorating). I add color to the dough after I mix in 1 cup of flour and the dry ingredients. Then, the color gets incorporated when mixing in the rest of the added flour. You may need to still knead it a bit when almost finished mixing. Some knead in color to the dough; the only problem with it is that it makes the dough tough when baked. 

Bread Dough:  Add color to the dough while kneading but you won't get vibrant colors after it bakes. Be careful not to knead the dough more than 8 to 10 minutes while adding color or you'll overwork the dough. If you do, you'll get a tough and dry loaf when baked.

Tinting chocolate

Decorator's Color Wheel

Use this to determine the color you want. In the center are the primary colors - Red, Yellow, and Blue. From these, all others are made.

In the inner ring are secondary colors - orange, green, violet, made by mixing equal amounts of primary colors. Mix red and yellow for orange, mix red and blue for violet, and mix blue and yellow for green. 

In the outer ring are the tertiary colors - achieved by mixing varying amounts of one primary color with the adjacent primary. Mix a large amount of red with a small amount of blue and you will get a red-violet color. Do the opposite for blue-violet. Increase or decrease amounts form many hues in between.

White is an absence of color and black is a collection of the three primary colors in intense form.  

SPECIAL COLOR NOTES: Sometimes lemon juice or cream of tartar will cause colors to change, i.e. violet will become blue. If the recipe has one of these ingredients in it, omit. 

For black: Because it takes such a strong concentration of color to produce black, it is easier to buy black color. Mixing black color IS possible, but you need to use very strong paste colors and a LOT of it which makes the recipe bitter. A pinch of salt will help with the bitterness, but the only way to get a good strong black is with a LOT of color, especially when using gel color. Be careful with black. It will stain just about anything it touches.

To make black: ... I usually keep about 2 cups of already mixed black icing in the freezer and remove what I need. I only use a small amount. I also do this with strong red color.

Use white icing with a combination of royal blue, red, orange and lemon. Or, start with a dark brown color or chocolate icing (made with melted chocolate and/or black or Dutch process cocoa) and add black. I Just keep adding more black color SLOWLY until you reach your desired color. Remember colors darken as they sit.

For small amounts of black icing (for piping buttons, dots, etc) you can just add enough black food coloring to your white icing to create black.

For brown: To make brown, mix red and green gel or paste color or melt unsweetened chocolate or use cocoa powder and mix it into your white icing. Brown color occasionally has a green overtone to it  which occurs with the presence of acid in the icing; lemon juice or cream of tartar, so omit.  Also dissolving brown color in 1/4 teaspoon water before adding to icing will eliminate the green tone. 

For red: Making dark red icing can be a challenge.  Make your icing a day ahead of time. That dark pink icing will darken over time and turn into the red you need if you give it 24 hours. 

I like to make my red icing using maraschino cherry juice as my liquid.  This turns my icing a nice pink then I don't need as much red food coloring. Add 1 teaspoon almond extract and your icing will taste WONDERFUL!

I usually keep about 2 cups of already mixed red icing in the freezer and remove what I need. I only use a small amount.

For purple: If using purple color for buttercream icing make sure there is milk added for the liquid. You'll find your icing won't fade blue as it crusts.

For pastels: add 2 parts of white icing to 1 part of any colored icing

COLOR BLENDING: To make various colors, the amount of color added is measured in parts. Start with base color and then add very small amounts of secondary color. 

Color: Parts:
Apricot 2  Orange + 1 Golden Yellow
Aqua 5 Sky Blue + 1 Leaf Green
Avocado 4 Lemon Yellow + 1 Leaf Green + touch of black
Burgundy 5 Rose Pink + 1 Violet
Chartreuse 5 Lemon Yellow + 1 Leaf Green
Rust 8 Orange + 2 Red + 1 Brown
Copper 1 Golden Yellow + 1 Brown + 1 Xmas-Red
Hunter Green Kelly Green + small amount of black
Coral 3 Rose Pink + 2 Lemon Yellow
Lavender 5 Pink + 1 Violet
Black Mix left over color icing together, then add black skin tone - Use a small amount of copper
Silver (Gray) 1 Black + 1 Blue
Turquoise 6 Sky Blue + 1 Lemon Yellow
Teal 9 Sky Blue + small amount of Lemon Yellow
Dusty Rose 5 Rose Pink + 1 Violet
Mauve 5 Rose Pink + 2 Orange + 2 Red + 2 Black
Plum 1 Violet + a touch of Christmas Red
Gold 10 Lemon Yellow + 3 Orange + 1 Red
Maroon 4 Red Red + 2 Burgundy
Ivory Use ivory paste
Moss Green 2 Violet + 3 Lemon Yellow
Navy Blue 1 Sky Blue + 1 Violet
Grape 1 Sky Blue + 6 Rose Pink
Raspberry 3 Rose Pink + 1 Christmas Red
Ruby Red 1 Red Red + 1 touch black

Charts from www.wilton.com. Some information from http://www.earlenescakes.com/color.htm

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