Cotton interlock knitted fabric typically offers a versatile range of colors and designs. Here are some characteristics you might find:

Solid Colors: This fabric is commonly available in a wide array of solid colors. These colors can range from basic neutrals (black, white, gray) to vibrant hues (reds, blues, greens) and pastels (soft pinks, light blues).

Stripes and Patterns: Interlock knits can also feature stripes, both regular and irregular, in varying widths and colors. Additionally, they may include other patterns such as polka dots, geometric shapes, or even floral designs depending on fashion trends and manufacturer capabilities.

Heathered or Melange Effects: Some cotton interlock knitted fabrics may have heathered or melange effects, where multiple colors of yarn are blended together to create a textured, variegated appearance.

Prints: Manufacturers can apply prints onto interlock knits using techniques like screen printing or digital printing. This allows for intricate designs, motifs, or even photographic prints to be featured on the fabric.

Dye Effects: Certain dyeing techniques, such as tie-dye or dip-dye, can be used to create unique color gradients or patterns on cotton interlock knitted fabric, adding a distinctive look.

Special Finishes: Some fabrics may undergo special finishing processes that affect their appearance, such as embossing or foil printing, offering additional design options.

Overall, the versatility of cotton interlock knitted fabric allows for a broad range of aesthetic options, catering to different fashion preferences and market demands.