Colors/Base 64

Exercise 1: Color Conversions

Hex to RGB & RGBA

1. #1E90FF
   • RGB: rgb(30, 144, 255)
   • RGBA: rgba(30, 144, 255, 1)
2. #32CD32
   • RGB: rgb(50, 205, 50)
   • RGBA: rgba(50, 205, 50, 1)
3. #FFD700
   • RGB: rgb(255, 215, 0)
   • RGBA: rgba(255, 215, 0, 1)

50%-transparent Teal

• rgba(0, 128, 128, 0.5)

Exercise 2: Icon Design

2×2 Icon Colors

1. Red: #FF0000
2. Green: #00FF00
3. Blue: #0000FF
4. Yellow: #FFFF00

Storage Calculation

• Bits per pixel: 24 bits
• Number of pixels: 4 (2×2)
• Total bits: 24 × 4 = 96 bits (or 12 bytes)

Exercise 3: Base64 Encoding

String “Cat” in Base64

Q2F0

1×1 Red PNG in Base64

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