1. Multimedia Principles and techniques
Edexcel Applied ICT

2. Images: Colour Colour schemes
Important part of multimedia project
Colour can be a very emotive issue
Multimedia packages use code for each colour
RGB (Red Green Blue)
Hex

3. Task: Investigate Colour Schemes
Use
Experiment with different colour schemes
Can you work out what each rule does?
For a chosen colour scheme,
Note down the RGB and the
Hex values for 5 colours
Take a screenshot and add to our padlet page

4. Task Use these colours to create a mood board
Open Photoshop
Create new document – a4
Draw a 5 circle shapes
Fill each with the colour from scheme

5. Contrast, brightness and hue
Contrast = the difference between highlights and shadows
Brightness = the overall brightness of picture
Hue = changing hue, changes the colours of picture

6. Changing Contrast, brightness and hue
Locate an photo appropriate for your project on Google (“stock image”)
Paste into Photoshop doc
Tweak Brightness & Contrast
Tweak Hue
Create 3 versions of this image in doc
Label with what you changed

7. Web Safe Colours?
At one time many computer displays were only capable of displaying 256 colours. 
Older websites needed to ensure that the colours they used were would look ok on these old monitors
Not needed any more!

8. Cropping Photoshop has several tools Shortcuts Marquee Tool Lasso Tool
Magic Wand tool
Shortcuts
CTRL-D deselects
SHIFT-CTRL-I inverts selection

9. Task: Find an image that can be cropped and add it to your Moodboard
Use the cropping tools to cut out the background
Position it in front of the other layers
Save PSD
Also File > Save For web (700px wide)
Upload to Padlet
Extension: Look at Filters