CSS Worksheet: Hex and RGB Colours

HTML and CSS lesson 15: Colours: hex and rgb · Set 301 · 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 colour of light is strongest in rgb(195, 49, 125)? (a) blue (b) red (c) green
2. 2.🌈 Which colour of light is strongest in rgb(24, 229, 131)? (a) red (b) green (c) blue
3. 3.🌈 In #rrggbb, which colour do the first two digits give? (a) red (b) black (c) green (d) blue
4. 4.🌈 Which colour is #00ff00? (a) blue (b) white (c) black (d) bright green
5. 5.🌈 Which colour of light is strongest in rgb(192, 23, 109)? (a) blue (b) green (c) red
6. 6.🌈 Hex digits go 0 to 9, then A to which letter? (a) F (b) J (c) Z (d) G
7. 7.🌈 Which colour of light is strongest in rgb(135, 154, 66)? (a) red (b) blue (c) green
8. 8.🌈 Which hex code is bright green? (a) #ff0000 (b) #ffffff (c) #000000 (d) #00ff00
9. 9.🌈 Which colour of light is strongest in rgb(172, 22, 138)? (a) blue (b) green (c) red
10. 10.🌈 Which colour of light is strongest in rgb(119, 213, 90)? (a) blue (b) red (c) green
11. 11.🌈 In #00f400 the green part is the hex number f4. What is it as a normal number?
12. 12.🌈 Which hex code is yellow? (a) #000000 (b) #ffff00 (c) #00ff00 (d) #ff0000
13. 13.🌈 Which colour is #ffff00? (a) blue (b) yellow (c) white (d) magenta
14. 14.🌈 In #6c0000 the red part is the hex number 6c. What is it as a normal number?
15. 15.🌈 Which hex code is cyan? (a) #00ffff (b) #0000ff (c) #ffffff (d) #ffff00
16. 16.🌈 Which hex code is magenta? (a) #ffffff (b) #ffff00 (c) #ff00ff (d) #00ff00
17. 17.🌈 Which colour is #00ffff? (a) cyan (b) bright green (c) blue (d) yellow
18. 18.🌈 Which colour of light is strongest in rgb(60, 95, 245)? (a) green (b) blue (c) red
19. 19.🌈 In #000080 the blue part is the hex number 80. What is it as a normal number?
20. 20.🌈 Which colour is rgb(0, 0, 255)? (a) cyan (b) blue (c) yellow (d) bright green
21. 21.🌈 Which colour is #ffffff? (a) red (b) black (c) white (d) yellow
22. 22.🌈 Which colour is #ff0000? (a) magenta (b) red (c) bright green (d) white
23. 23.🌈 In #009200 the green part is the hex number 92. What is it as a normal number?
24. 24.🌈 In #00bb00 the green part is the hex number bb. What is it as a normal number?
25. 25.🌈 In #000008 the blue part is the hex number 08. What is it as a normal number?
26. 26.🌈 Which colour of light is strongest in rgb(237, 10, 40)? (a) blue (b) red (c) green
27. 27.🌈 Which colour of light is strongest in rgb(53, 162, 103)? (a) green (b) red (c) blue
28. 28.🌈 Which hex code is blue? (a) #000000 (b) #ffffff (c) #0000ff (d) #ffff00
29. 29.🌈 Which colour is rgb(255, 0, 0)? (a) magenta (b) red (c) white (d) yellow
30. 30.🌈 Which colour is #0000ff? (a) bright green (b) black (c) blue (d) cyan
31. 31.🌈 Which colour is rgb(255, 255, 0)? (a) black (b) yellow (c) magenta (d) cyan
32. 32.🌈 Which colour of light is strongest in rgb(28, 244, 96)? (a) blue (b) red (c) green
33. 33.🌈 Which colour of light is strongest in rgb(38, 161, 58)? (a) red (b) green (c) blue
34. 34.🌈 Which colour is rgb(0, 255, 255)? (a) cyan (b) red (c) bright green (d) yellow
35. 35.🌈 In #000097 the blue part is the hex number 97. What is it as a normal number?
36. 36.🌈 In #000070 the blue part is the hex number 70. What is it as a normal number?
37. 37.🌈 Which colour of light is strongest in rgb(65, 117, 226)? (a) green (b) red (c) blue
38. 38.🌈 What is the biggest number one colour can have in rgb()? (a) 255 (b) 1000 (c) 99 (d) 100
39. 39.🌈 Which colour is #000000? (a) red (b) bright green (c) black (d) white
40. 40.🌈 In #210000 the red part is the hex number 21. What is it as a normal number?

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