Use a six-digit hex — practice exercise

What you'll be asked to do

1. 1.Use a six-digit hexexercise · easy · 10 min

   Set the #box text colour to #ff5733.

   Passes when: Set the #box text colour to #ff5733.

2. 2.Use a three-digit hexexercise · easy · 10 min · practice plan

   Give #box a #0f0 background.

   Passes when: Give #box a #0f0 background.

3. 3.Mix the channelsexercise · easy · 10 min · practice plan

   Set the #box text colour to #000080.

   Passes when: Set the #box text colour to #000080.

4. 4.Shorthand with three channelsexercise · easy · 10 min · practice plan

   Give #box a #fc0 background.

   Passes when: Give #box a #fc0 background.

5. 5.Use two hex coloursexercise · medium · 10 min · practice plan

   #ffffff text on a #333333 background.

   Passes when: #ffffff text on a #333333 background.

6. 6.Fix the missing hashbug fix · easy · 8 min

   A hex colour starts with #.

   Passes when: A hex colour starts with #.

7. 7.Fix the five-digit hexbug fix · easy · 8 min · practice plan

   Hex colours have three, six or eight digits.

   Passes when: Hex colours have three, six or eight digits.

8. 8.Fix the out-of-range digitbug fix · easy · 8 min · practice plan

   Hex digits only run 0-9 and a-f.

   Passes when: Hex digits only run 0-9 and a-f.

9. 9.Fix the wrong shorthandbug fix · easy · 8 min · practice plan

   The background should be #fc0, not #f00.

   Passes when: The background should be #fc0, not #f00.

10. 10.Fix the swapped coloursbug fix · easy · 8 min · practice plan

    The light colour belongs on the text.

    Passes when: The light colour belongs on the text.

Between them these tasks cover Six-digit hex, Three-digit shorthand and Reading hex channels.

Looking for a different chapter? See every practice set, or switch to the interview theory questions.