2.05.03 Colour usage: Age effects
Who does it affect?
Colour impairments are not the only factor. As you get older your eyesight slowly depreciates. This affects brightness & contrast as the lens stiffens, and focus with the onset of long-sight.
Certain colour combinations may become difficult to see. Avoid poor colour contrast and endeavour to make text-size adjustable by the user.
Aged 40+
Hover image to see simulation. Eye-sight: 20/30
Crystalline lens transparency (Age): 40
Age orientated deficiencies start to manifest. Allowing the user to control the text size is becoming an important aide.
Aged 50+
Hover image to see simulation. Eye-sight: 20/40
Crystalline lens transparency (Age): 50
Notice the contrast fades and the text blurs as age increases.
Aged 60+
Hover image to see simulation. Eye-sight: 20/40
Crystalline lens transparency (Age): 60
Higher contrast and larger font sizes become essential.