Shadow color alpha = 0 (∆colorPlatformAlpha0)
Shadow color alpha = .04
(∆colorPlatformAlpha100)
Shadow color alpha = .16
(∆colorPlatformAlpha300)
Shadow color alpha = .24
(∆colorPlatformAlpha400)
Shadow color alpha = .96
(∆colorPlatformAlpha900)
Shadow color alpha = 1
(fully opaque)