Mike Rankin reviews key concepts for how color is created in digital images for the Photoshop ACA exam, including channels, 8-bit vs. 16-bit, bit depth, grayscale, RGB, CMYK, additive color, subtractive color, and duotones.
- [Instructor] In this movie we'll take a look … at some key concepts for how color is created … in digital images. … And we'll begin with the concept of a channel. … A channel in a digital image contains information … representing just light and dark measurements. … These are also known as luminance values, … which range from white to black. … In an 8-bit channel there are 256 … possible luminance values ranging from zero, … which is black, to 255, which is white. … A true grayscale file is composed … of just one 8-bit channel, … that's why it can only represent lights and darks. … Other images may be composed of multiple channels, … which combine to produce a full range of colors. … For example, RGB images are composed of three channels, … red, green and blue light. … These are the primary colors in the RGB color model. … And RGB is also known as an additive color model … because it creates colors by adding red, green, … and blue light together. … That's why RGB is used to represent colors …
- Benefits of ACA certification
- Creating a study plan
- Planning a project
- Identifying design elements such as typography
- Using layers and masks
- Using brushes, shapes, and patterns
- Drawing and painting
- Transforming graphical elements
- Preparing images for print and web
Skill Level Beginner
Photoshop CC 2019 New Featureswith Deke McClelland1h 48m Intermediate
1. Become an Adobe Certified Associate
2. Create a Personal Study Plan
3. Exam Objectives: Working in the Design Industry
4. Exam Objectives: Project Setup and Interface
5. Exam Objectives: Organizing Documents
6. Exam Objectives: Creating and Modifying Visual Elements
7. Exam Objectives: Publishing Digital Media
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