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Questions and Answers
Which of the following statements accurately describes why named colors are less commonly used in CSS compared to RGB or Hex codes?
Which of the following statements accurately describes why named colors are less commonly used in CSS compared to RGB or Hex codes?
- Named colors can only be defined in the <head> section of an HTML document, making them less convenient to use in inline styles or external CSS files.
- Named colors are harder to remember and use, as developers need to memorize a long list of color names instead of using a systematic coding system.
- Named colors inherently lack the flexibility and precision that RGB or Hex codes offer for specifying a wide range of colors. (correct)
- Named colors are not supported by all web browsers, leading to inconsistent rendering across different platforms.
In the RGB color model, increasing the value of each component (Red, Green, Blue) will result in a darker, less vibrant color.
In the RGB color model, increasing the value of each component (Red, Green, Blue) will result in a darker, less vibrant color.
False (B)
Convert the RGB color rgb(255, 192, 203) to its hexadecimal equivalent.
Convert the RGB color rgb(255, 192, 203) to its hexadecimal equivalent.
#FFC0CB
The shorthand hex code #369 is equivalent to the full hex code __________.
The shorthand hex code #369 is equivalent to the full hex code __________.
Match the following colors with their corresponding RGB values:
Match the following colors with their corresponding RGB values:
Flashcards
Named Colors
Named Colors
CSS allows 140 predefined color names like blue and red.
RGB Colors
RGB Colors
Colors represented by combining Red, Green, and Blue values from 0 to 255.
Hex Codes
Hex Codes
Compact representation of RGB colors using base-16 digits.
Abbreviated Hex Codes
Abbreviated Hex Codes
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Color Picker Tools
Color Picker Tools
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Study Notes
CSS Color Representation
- CSS supports various ways to represent colors, including predefined names, RGB values, hex codes, and abbreviated hex codes.
- Predefined color names (e.g., blue, red) are less common due to the greater flexibility and precision of alternative methods.
RGB Colors
- RGB represents a color by mixing Red, Green, and Blue light.
- Each component (Red, Green, Blue) ranges from 0 to 255.
- This method allows for 16,777,216 possible colors (256 values for each component, 256 * 256 * 256).
- Higher RGB values result in brighter and lighter colors.
- Examples:
- Black: rgb(0, 0, 0)
- White: rgb(255, 255, 255)
- Red: rgb(255, 0, 0)
Hexadecimal Codes
- Hex codes are a shorthand representation of RGB values using hexadecimal numbers.
- Hexadecimal uses base-16, including digits 0-9 and letters A-F (A=10, B=11, ..., F=15).
- Each hex code consists of a '#' followed by 6 digits.
- Example conversions:
- rgb(255, 0, 0) = #FF0000 (red)
- rgb(0, 255, 0) = #00FF00 (green)
- rgb(0, 0, 255) = #0000FF (blue)
Abbreviated Hex Codes
- Shorthand hex notation is used when each pair of digits in a full hex code is identical.
- Example conversions:
- #FFF = #FFFFFF (white)
- #000 = #000000 (black)
- #0F0 = #00FF00 (green)
- #ABC = #AABBCC
Practical Usage
- Color pickers are tools used to easily select colors and obtain their corresponding RGB/hex values.
- Using tools like a color picker, you can convert RGB values like (72, 209, 204) to their corresponding hex code, #48D1CC (turquoise).
- Using full hex codes for precision and clarity is recommended.
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Description
Explore CSS color representation using predefined names, RGB values, and hex codes. Learn how to specify colors using RGB, with values ranging from 0 to 255 for each component, and understand hexadecimal color codes as a shorthand for RGB.
