CSS Quizs Question & Answers – CSS Color Values

Q 1. Which of the following Color Format is a CSS3 HSL value with a fourth value to set the alpha channel value for the color to define the opacity of the element?
A. RGB Color
B. RGBa Color
C. HSL Color
D. HSLa Color

Show Answer

Answer:-D. HSLa Color

Explanation

None.

Q 2. Which of the following Selector selects an element if it’s the only child of its parent with its type?

A. @media

B. :target

C. ::selection

D. :only-of-type

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Answer:- D. :only-of-type

Explanation

None.

Q 3. Which of the following Selector same as :firstline; changed under CSS3 to make pseudoelements obvious?

A. :first-letter

B. :last-child

C. :first-line

D. ::first-line

Show Answer

Answer:- D. ::first-line

Explanation

None.

Q 4. What does HSL stands for?
A. Hue Specified Lightness
B. Hue Spot Lightness
C. Hue Saturation Lightness
D. None of the mentioned

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Answer:-C. Hue Saturation Lightness

Explanation

None.

Q 5. Which of the following CSS3 Color Feature can be used as a macro for whatever the current color is?
A. CurrentColor keyword
B. HSLa Color
C. HSL Color
D. RGB Color

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Answer:-A. CurrentColor keyword

Explanation

This is useful if you want to dynamically change one color and have other related colors change.

Q 6. Which of the following CSS3 Color Feature like RGB color but adds an alpha channel value to specify the opacity of the color?
A. RGB
B. RGBa
C. RGBaplha
D. AlphaRGB

Show Answer

Answer:-B. RGBa

Explanation

An RGBa is specified via a function style rgba(r,g,b,a) value, where colors r, g, and b are specified as a decimal value from 0 to 255 or a percentage from 0 to 100%, and the alpha channel value for defining opacity is a number between 0 (fully transparent) and 1 (fully opaque). Values outside this range will be rounded up or down to fit the closest value.

Q 7. Which of the following Color Format is a CSS’s six-digit hexadecimal format is the same as color defined in (X)HTML?
A. 6-Hex Color
B. 3-Hex Color
C. RGBS
D. RGBa

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Answer:-A. 6-Hex Color

Explanation

The format specifies color as #rrggbb, where rr is the amount of red, gg the amount of green, and bb the amount of blue, all specified in a hexadecimal value ranging from 00 to FF.

Q 8. Which of the following Color Format is a CSS2 introduced named color keywords which allows Web page colors to be matched to an operating system’s color use?
A. HSLa Color
B. Commonly defined named colors
C. System Color Names
D. Specificationdefined named colors

Show Answer

Answer:-C. System Color Names

Explanation

None.

Q 9. Which of the following Color Format are a 17 defined colors under CSS 2.1?
A. HSLa Color
B. Commonly defined named colors
C. System Color Names
D. Specificationdefined named colors

Show Answer

Answer:-D. Specificationdefined named colors

Explanation

maroon (#800000) red (#ff0000) orange (#ffA500) yellow (#ffff00) olive (#808000) purple (#800080) fuchsia (#ff00ff ) white (#ffffff) lime (#00ff00) green (#008000) navy (#000080) blue (#0000ff) aqua (#00ffff) teal (#008080) black (#000000) silver (#c0c0c0) gray (#808080) Other color keywords may be commonly used but are ad hoc in their definition.

Q 10. Which of the following Color Format is a CSS colors can also be defined using the keyword rgb, followed by three numbers between 0 and 255, contained in parentheses and separated by commas, with no spaces between them?
A. RGB Color
B. RGBa Color
C. HSL Color
D. HSLa Color

Show Answer

Answer:-A. RGB Color

Explanation

RGB color values can also be defined using percentages. The format is the same, except that the numbers are replaced by percentage values between 0% and 100%.