One of DTF's biggest advantages over sublimation and some DTG methods is its ability to produce vibrant prints on both dark and light garments. But the approach for each is different. Here's how to optimize for both.
Dark Garments
White Underbase Is Critical
On dark fabrics, the white ink layer does all the heavy lifting. Without sufficient white coverage, colors will appear muted, translucent, or tinted by the garment color.
White ink settings for dark garments:
- White density: 85-100%
- White layer: Full coverage under all design elements
- White choke: -0.3 to -0.5mm (slightly smaller than CMYK to prevent white edges showing)
Press Settings for Dark Garments
- Temperature: 310-325°F (155-163°C)
- Time: 15-20 seconds (slightly longer than light garments)
- Pressure: Medium-firm
- Reason: Higher temp and longer time ensure the white base fully bonds to dark fabric fibers
Tips for Dark Garments
- Pre-press the garment for 3-5 seconds to remove moisture and flatten fibers
- Use a finish press with Teflon sheet — this is more important on dark garments where any white edge or texture is highly visible
- Avoid fabrics with heavy texture (waffle knit, pique polo) — the transfer may not fully contact the surface in recessed areas
- Check for dye migration on dark polyester — the garment dye can migrate into the transfer at high temperatures, causing discoloration
Light Garments
White Ink Optimization
On white or light-colored garments, you don't always need a full white underbase. This is an opportunity to:
- Reduce white density to 50-70% — colors are supported by the light fabric
- Use variable white — less white in lighter design areas, full white only behind saturated colors
- Eliminate white entirely in some areas for a softer, more breathable print
Soft-Hand Technique
For the softest possible feel on light garments:
- Set white density to minimum needed for color support (50-65%)
- Reduce overall ink limits by 10-15%
- Use fine adhesive powder (100 mesh)
- Press at 295-310°F for 12-15 seconds
- Cold peel for best results
- Finish press with Teflon sheet
The result is a transfer that's noticeably softer and more flexible than a full-coverage print.
Press Settings for Light Garments
- Temperature: 295-315°F (146-157°C)
- Time: 12-18 seconds
- Pressure: Medium
- Reason: Light fabrics are typically thinner and don't need as much heat/time for adhesion
Color-Matched Garments
When the garment color is close to a prominent color in the design, you can create interesting effects:
No-White Technique
For designs on colored garments where you want the garment to show through:
- Remove the white channel entirely in your RIP
- Print only CMYK on film
- The transfer will be semi-transparent — the garment color blends with the design
- Best for artistic/vintage effects, not for precise color matching
Partial White
Use spot white only behind elements that need to pop against the garment color. Leave other areas without white so the garment color shows through naturally.
Wash Durability by Garment Type
| Garment Color | White Coverage | Expected Wash Cycles |
|---|---|---|
| White cotton | None/minimal | 50+ washes |
| Light cotton | 50-70% white | 50+ washes |
| Dark cotton | 100% white | 40-50 washes |
| White polyester | None/minimal | 50+ washes |
| Dark polyester | 100% white | 35-45 washes |
| Blends | 70-100% white | 40-50 washes |
Care Instructions
Always include care instructions with finished garments:
- Wash inside-out in cold water
- Tumble dry low or hang dry
- Do not iron directly on the transfer
- Do not bleach
- Wait 24 hours after application before first wash