.t-product__option-checkmark.t-product__option-checkmark_buttons.t-product__option-checkmark_color {
    background-size: cover;
    background-repeat: repeat;
  
}

input.t-product__option-input.t-product__option-input_buttons.t-product__option-input_color[value="Индивидуальный цвет"]+div {
    background-image: url(https://optim.tildacdn.com/tild6261-3839-4335-b837-663037623238/-/format/webp/colors.png);
}