color_field(オブジェクト名, メソッド名 [, オプション or HTML属性 or イベント属性])
f.color_field(メソッド名 [, オプション or HTML属性 or イベント属性])
color_field "car", "color"
# <input id="car_color" name="car[color]" type="color" value="#000000" />
color_field "car", "color", "#DEF726"
# <input id="car_color" name="color" type="color" value="#DEF726" />
color_field "car", "color", nil, class: 'special_input'
# <input class="special_input" id="car_color" name="color" type="color" />
color_fiel "car", "color", "DEF726", class: "special_input", disabled: true
# <input disabled="disabled" class="special_input" id="car_color" name="color" type="color" value="#DEF726" />
f.color_field "car", "color"
# <input id="car_color" name="car[color]" type="color" value="#000000" />
f.color_field "car", "color", "#DEF726"
# <input id="car_color" name="color" type="color" value="#DEF726" />
f.color_field "car", "color", nil, class: 'special_input'
# <input class="special_input" id="car_color" name="color" type="color" />
f.color_fiel "car", "color", "DEF726", class: "special_input", disabled: true
# <input disabled="disabled" class="special_input" id="car_color" name="color" type="color" value="#DEF726" />