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You probably learned something about color mixing in school – red and blue make purple, yellow and blue make green, and the difference between primary and secondary colors. Dyes, like paints, are composed of pigments, and overdyeing is essentially just mixing pigments, the same way you’d mix paint. Do two separate dyebaths, one with salt and one with vinegar. This will probably be best for darkest colours. If you are looking to: (a) dye a dark garment a lighter color or (b) completely change the color of a garment from one color to another (such as from purple to blue): Then you must first use Rit Color Remover to remove the color from the garment, bringing it to a white or off-white color. You will then have a blank canvas to achieve a true color with whatever dye you choose to use. Once the color is removed, follow the instructions for how to use Rit All-Purpose Dye. Overdye” is the word dyers use to describe layering dye baths on top of each other. This could mean that you use multiple dye baths one after another to build a depth of color, but it could also mean dying an existing non-white garment to a new color. Aside from adding depth, texture, and new tones, it’s also an incredibly useful way to breathe new life into old garments, disguise stains, and update garments to a color you’ll actually wear.
Fabric Dye Colour Guide Create 100's of new custom fabric dye colours using the core Tintex dyes. A basic sampling of colours is very versatile for many projects.
Turn off heat and allow the dye bath to return to room temperature, stirring occasionally. Rinse when cool enough to handle. Wear gloves as residual dye can stain skin. It is possible to dye over patterned fabric, but the print itself may turn into unexpected colors, or stay the same color, depending on how it was printed.
First, you’ll want to pay attention to fiber content. A cotton shirt that is made using a polyester thread will result in dye being absorbed differently. It’s likely that the polyester thread will retain the original color while the fabric itself absorbs the dye. Hoodies and t-shirts often have prints on them (we discussed this in the patterned fabric section above) so it’s best to test in an inconspicuous area to determine how the fabric, print, and dye is likely to interact. I used a super strong Procion Lemon Yellow PR1 (primary) dyebath, at least four or five times the regular amount, for these two blues and a grey. (It looked as if I was putting the fabric into pure egg yolks!) The first blue is a NAVY BLUE which is dark and the second a ROYAL BLUE. The GREY is a medium shade. Dyeing a stained garment or a well-worn pillowcase is an easy and sustainable way to restore new life to your favourite textiles. Whether you're wanting to change the colour of a much-loved top or create a custom tone of fabric for a sewing project, Spotlight has fabric dyes including synthetic fabric dye, washing machine dye and powder dye. We also have a fabulous selection of tie-dye materials and kits so you can create stunning rainbow patterns on plain tees or calico tote bags. Transform your plain fabrics into something completely different with fabric dyes! Red – create purple using blue dye, orange with yellow dye, or a range of deeper, subdued colors with darker dye colors in high quantities. Extend the dyeing time by resetting the wash cycle before the rinse cycle begins. The longer the dyeing time, the darker the colour and better the fixation. We recommend 50 to 60 minutes of dyeing time.In natural dyeing, Overdyeing is used to create colors with dyes that might interact badly with each other if they were mixed directly, and it’s also used to update colors that fade over time. Is it easy to overdye fabric and clothes? I was very happy with both results. Both samples were successful and pretty as final colours. I do wish to add a caveat! Do not attempt any dyeing on water-resistant fabrics (such as a trenchcoat) since that special finish will not allow the fabric to accept dye properly! As an item gets darker or more saturated, it becomes more difficult to augment its color with an overdye. For example, a very dark blue t-shirt overdyed in red is very likely to end up looking like a slightly warmer very dark blue. Some extremely saturated reds are also difficult to “shift” – no matter what dye you use, it will always have that red tint. Conversely, very light or pale colors can sometimes be “overpowered” with a particularly saturated overdye – for example, generally yellow and blue make green, but if you’re starting with a very pale yellow base, you can in some cases achieve a navy blue that doesn’t have much, if any, green undertone. This, again, is extremely dependent on the item you’re dyeing. Overdye color chart: If the color is too light, add more dye; if the color is too dark, add more water. If more dye is needed, add dye in increments of 1/4 – 1 teaspoon 1.25 – 5 mL , depending upon the recipe or amount of fabric being dyed. If the color is too dark, add hot water in 1-2 cup / 200-400 mL increments, depending upon the size of the dyebath and the amount of fabric being dyed.
Use double the usual amount of dye for projects using dark colours and bright colours. Get the most colour intensity when you use the hottest water possible for your fabric (example: use the stove top dyeing method, heat water with a kettle or use 140°F water). Neutralize Bright Fabric When Over-Dyeing Darker For cotton, linen and rayon add one cup (237 ml) of salt. For silk add 1/3 cup (78 ml) of white vinegar instead of salt. Do not use the washing machine method for wool as it will felt. Set your machine for the hottest possible water temperature and longest possible wash cycle. If you are able to extend the wash cycle, do so. The longer you are able to allow the fabric to remain in the wash/dye cycle the darker the colour and the better the fixation. Pay attention to the type of pattern your fabric has before you decide whether it’s a good candidate for overdyeing. Printed fabrics – things like floral sheets or polka-dot dresses, are usually printed (or yarn-dyed) using a pigment dye that absorbs into the fabric. When you overdye this fabric, each existing, original color will mix with the overdye. For example, if your original fabric is pink with yellow flowers that have green leaves and you add it to a red dye bath – the fabric will become red (or reddish pink) with orange flowers and muddy brownish leaves. This may or may not be the result you’re going for, so think about how the dye will mix with each individual color before you commit to overdyeing. Another thing to keep in mind – one that doesn’t add any complexity but may add one extra step – is that if you’re working with a previously worn garment, you’ll want to pay special attention to pre-washing and stain treatment. Stains that are visible or barely visible can show up in a freshly overdyed garment. You’ll want to pre-wash and stain treat thoroughly, but also keep in mind that these areas can absorb dye differently. If you have, for example, spattered oil or tomato sauce all over the front of a shirt, you may wish to consider a scrunch-dye, tie-dye, or low-immersion dye bath that will add some texture to disguise these stains, as overdyeing them in a solid color is unlikely to completely hide them, even if the stains are very light and you’re planning a very dark color.Grey – similar to beige, grey will neutrally offset any overdye color. Depending on the shade of grey you start with and the end result you’re after, this can look great with nearly any dye color. Yellow – a great base for green (when combined with blue) or orange (when combined with red). Lighter yellows can also occasionally be ‘overpowered’ with enough blue dye to create a slightly greenish-tinted dark navy blue, for example, although this isn’t always possible. Maintain a rolling boil and stir frequently for ½ to 1 hour. For uniform colour use constant agitation. In other cases – like an old high school t-shirt or hoodie – the printing is done using screen printing ink which (in most cases) has a polymer base and sits on the surface of the shirt. This ink can sometimes absorb polyester dyes, but it won’t absorb dyes meant for cotton, silk, or wool. This means that if you overdye a yellow shirt with a red print on it in blue dye, the result will be a green shirt with the same red print. As with any overdye project, if you’re aiming for a particular color on a garment like this, it’s always best to test first! Although a dye may not absorb into a polymer-based ink, it may lightly stain the ink enough to be noticeable. Tips for overdyeing t-shirts, hoodies, and jeans: For cotton, linen and rayon dissolve one cup (237 ml) of salt in a little hot water and add to dye bath. For silk and wool add a third of a cup (78 ml) of white vinegar instead of salt. Avoid pouring directly onto fabric.
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