public class ColorBlock extends BlockWithEntity {
  [...]
  
  @Override
  protected ItemActionResult onUseWithItem(ItemStack stack, BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
    if (stack.getItem() instanceof DyeItem dyeItem) {
      if (world.getBlockEntity(pos) instanceof ColorBlockEntity colorBlockEntity) {
        final int newColor = dyeItem.getColor().getEntityColor();
        final int originalColor = colorBlockEntity.color;
        colorBlockEntity.color = ColorHelper.Argb.averageArgb(newColor, originalColor);
        stack.decrementUnlessCreative(1, player);
        colorBlockEntity.markDirty();
        world.updateListeners(pos, state, state, 0);
      }
    }
    return super.onUseWithItem(stack, state, world, pos, player, hand, hit);
  }
  
  [...]
}