 type="number">
          </div>
          <div>
            <label class="color-hsva-brightness">V</label>
            <input class="input input-md input-nude text-center" v-model="color_picker_value" spellcheck="false" maxlength="3" type="number">
          </div>
          <div>
            <label class="color-hsva-alpha">A</label>
            <input class="input input-md input-nude text-center" v-model="color_picker_opacity" spellcheck="false" maxlength="3" type="number">
          </div>
        </div>