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Сложность: Легкая

Добавляем яркость с помощью цветового режима LAB в Фотошоп

Цветовое пространство LAB – редко используемая функция Photoshop, хотя она давным-давно добавлена в программу и идеально подходит для улучшения цветовой палитры фото.

Режим RGB позволяет нам работать с красным, синим и зеленым каналами по отдельности. Режим CMYK – голубым, фиолетовым, желтым и черным. А LAB имеет Lightness (Яркость), А и В.

Канал L отвечает за яркость изображения и настраивается отдельно от цветов. В канале А содержится информация о зеленом и фиолетовом цветах, а в В – голубом и желтом.

Подобное отделение яркости от цвета позволяет быстро выполнить цветокоррекцию фото, что в других цветовых режимах может быть достаточно трудоемким процессом с менее аккуратным результатом.

В этом уроке мы поработаем с фото бурлеск-артистки Missy Fatale и увеличим яркость снимка, в частности, волос, змеи и окружающей зелени.

Двигайте ползунок, чтобы увидеть разницу

Шаг 1. Открываем фото

Открываем нужное фото и копируем его на отдельный документ Image – Duplicate (Изображение – Создать дубликат). В открывшемся окне называем дубликат «LAB» и жмем ОК.

Шаг 2. Работаем на копии

Далее продолжаем работать на копии документа. Убедитесь, что для нее выбран цветовой режим LAB. Для этого переходим Image – Mode – Lab Color (Изображение – Режим – Lab).

Если открыть панель Window – Channels (Окно – Каналы), то вместо каналов Red (Красный), Green (Зеленый) и Blue (Синий) вы увидите Lightness (Яркость), А и В.

Шаг 3. Добавляем корректирующий слой

Добавляем новый корректирующий слой Layer – New Adjustment Layer – Curves (Слой – Новый корректирующий слой – Кривые), который на панели каналов появится в виде маски. Также откроется панель Properties (Свойства) с его настройками.

Шаг 4. Работаем с панелью Свойства

На панели Properties (Свойства) кликаем на слово Lightness (Яркость) и выбираем А, который отвечает за фиолетовые и зеленые оттенки изображения.

Подвигайте кривую, чтобы наглядно увидеть корректирующий слой в действии. В нижней части панели выбираем левый черный ползунок и перемещаем его вправо до -60, а белый – до +60. В данном случае оба ползунка переместится примерно на одну ячейку сетки, а растительность и фиолетовые оттенки на волосах Мисси станут ярче. Имейте в виду, что настройки зависят от фото.

Возвращаемся к панели Properties (Свойства) и в верхнем выпадающем меню меняем А на В. Этот канал отвечает за синие и желтые оттенки. Снова подвигайте кривую, чтобы увидеть результат.

Я повторила действия из шага 5, но в этот раз выделила змею и убрала голубоватые тона на зелени. Черный ползунок я установила на -60, а белый – на +60.

Шаг 5. Объединяем слои

Возвращаемся на панель Layers (Слои) и объединяем все слои в один с помощью команды меню Layer – Merge Visible (Слой – Объединить видимые).

Шаг 6. Меняем цветовой режим

Далее нам нужно изменить цветовой режим обратно на RGB. Для этого переходим Image – Mode – RGB (Изображение – Режим – RGB). В результате не должно возникнуть изменений в цветах.

Теперь с помощью инструмента Move Tool (V) (Перемещение) перетаскиваем объединенный слой с копии документа LAB на оригинал и размещаем над слоем Background (Фон).

Автор: Tigz Rice

Комментарии 106

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Благодарю) Интересный урок :)

AlonaSuhacova, Кот отлично, а вот зелень можно было бы приглушить немного.

Спасибо за урок!

Благодарю за урок! Было интересно поиграть с кривыми. ))

В общем неплохо. Но, если справа После, то кожа стала неестественного цвета. Думаю - надо приглушить красный в канале А

Svetlana, да, справа После, с красным переборщила.

Спасибо, редко использовал этот способ, к сожалению. Насыщенность увеличилась, оттенки и яркость сохранились почти без изменений.

Техника простейшая, но вполне рабочая.
Такая вот Lady in red dress получилась)))

Максим, спасибо большое за перевод. Очень ценный урок.

ШИКАРНО! Спасибо большое!

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