CSS Worksheet: Hex and RGB Colours

HTML and CSS lesson 15: Colours: hex and rgb · Set 222 · 40 questions

Code tip (Red, green, blue): rgb(red, green, blue): each from 0 to 255. #rrggbb: the same three numbers in hex. Hex digits: 0–9, then a = 10, b = 11, c = 12, d = 13, e = 14, f = 15. A pair = 16 × first digit + second digit: ff = 16 × 15 + 15 = 255.

1. 1.🌈 Which hex code is yellow? (a) #ff00ff (b) #00ffff (c) #ff0000 (d) #ffff00
2. 2.🌈 In #000043 the blue part is the hex number 43. What is it as a normal number?
3. 3.🌈 Which colour is #00ffff? (a) magenta (b) cyan (c) yellow (d) black
4. 4.🌈 Which hex code is black? (a) #ffff00 (b) #ffffff (c) #0000ff (d) #000000
5. 5.🌈 In #rrggbb, which colour do the last two digits give? (a) blue (b) white (c) green (d) red
6. 6.🌈 Which hex code is magenta? (a) #ffffff (b) #ff00ff (c) #ffff00 (d) #000000
7. 7.🌈 In #00007b the blue part is the hex number 7b. What is it as a normal number?
8. 8.🌈 Which colour is #00ff00? (a) magenta (b) blue (c) cyan (d) bright green
9. 9.🌈 Hex digits go 0 to 9, then A to which letter? (a) Z (b) J (c) G (d) F
10. 10.🌈 Which colour is rgb(0, 255, 0)? (a) white (b) bright green (c) yellow (d) cyan
11. 11.🌈 In #00d600 the green part is the hex number d6. What is it as a normal number?
12. 12.🌈 Which colour is rgb(255, 255, 255)? (a) white (b) red (c) cyan (d) black
13. 13.🌈 Which colour is rgb(0, 255, 255)? (a) white (b) red (c) blue (d) cyan
14. 14.🌈 In #00005e the blue part is the hex number 5e. What is it as a normal number?
15. 15.🌈 Which colour is rgb(255, 0, 0)? (a) magenta (b) white (c) cyan (d) red
16. 16.🌈 In #010000 the red part is the hex number 01. What is it as a normal number?
17. 17.🌈 Which hex code is bright green? (a) #ffff00 (b) #000000 (c) #ff0000 (d) #00ff00
18. 18.🌈 Which colour of light is strongest in rgb(164, 66, 101)? (a) green (b) red (c) blue
19. 19.🌈 In #rrggbb, which colour do the first two digits give? (a) green (b) blue (c) black (d) red
20. 20.🌈 Which colour is rgb(255, 0, 255)? (a) yellow (b) cyan (c) magenta (d) red
21. 21.🌈 Which colour of light is strongest in rgb(164, 76, 28)? (a) blue (b) red (c) green
22. 22.🌈 Which colour is #ff00ff? (a) black (b) yellow (c) red (d) magenta
23. 23.🌈 How many pairs of hex digits are in a colour like #ff8800? (a) 3 (b) 2 (c) 4 (d) 6
24. 24.🌈 In #990000 the red part is the hex number 99. What is it as a normal number?
25. 25.🌈 Which colour of light is strongest in rgb(75, 226, 139)? (a) green (b) blue (c) red
26. 26.🌈 What is the biggest number one colour can have in rgb()? (a) 100 (b) 99 (c) 255 (d) 1000
27. 27.🌈 In #490000 the red part is the hex number 49. What is it as a normal number?
28. 28.🌈 In #eb0000 the red part is the hex number eb. What is it as a normal number?
29. 29.🌈 Which colour is #ffffff? (a) white (b) red (c) cyan (d) yellow
30. 30.🌈 In #550000 the red part is the hex number 55. What is it as a normal number?
31. 31.🌈 In #c70000 the red part is the hex number c7. What is it as a normal number?
32. 32.🌈 Which colour is #ffff00? (a) red (b) white (c) magenta (d) yellow
33. 33.🌈 Which colour is #0000ff? (a) magenta (b) red (c) cyan (d) blue
34. 34.🌈 Which colour is rgb(0, 0, 255)? (a) blue (b) magenta (c) red (d) cyan
35. 35.🌈 Which colour of light is strongest in rgb(86, 38, 254)? (a) blue (b) green (c) red
36. 36.🌈 Which colour of light is strongest in rgb(14, 114, 195)? (a) green (b) blue (c) red
37. 37.🌈 In #003900 the green part is the hex number 39. What is it as a normal number?
38. 38.🌈 Which colour is #000000? (a) blue (b) white (c) yellow (d) black
39. 39.🌈 Which hex code is cyan? (a) #ffff00 (b) #ff00ff (c) #0000ff (d) #00ffff
40. 40.🌈 Which colour is rgb(0, 0, 0)? (a) yellow (b) red (c) magenta (d) black

Free html and css lessons, practice and worksheets at talentjr.in/html-css-for-kids