Pairing light and dark colors in Tailwind - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set a light background color using Tailwind CSS.

Tailwind

<div class="bg-[1]-100 p-4">
  Light background color box
</div>

Drag options to blanks, or click blank then click option'

Agreen

Bred

Cblue

Dyellow

Attempts:

3 left

💡 Hint

Common Mistakes

Using a dark shade number like 900 for a light background.

Using a color name that is not in Tailwind's palette.

The class bg-blue-100 sets a light blue background color.

2fill in blank

medium

Complete the code to set a dark text color using Tailwind CSS.

Tailwind

<p class="text-[1]-900">
  Dark text color example
</p>

Drag options to blanks, or click blank then click option'

Apink

Bgray

Cpurple

Dorange

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing a light color name for dark text.

Using a shade number like 100 which is light.

The class text-gray-900 sets a very dark gray text color, suitable for dark text.

3fill in blank

hard

Fix the error in the Tailwind class to apply dark mode background color.

Tailwind

<div class="[1]:bg-gray-800 p-6">
  Dark mode background
</div>

Drag options to blanks, or click blank then click option'

Ahover

Blight

Cfocus

Ddark

Attempts:

3 left

💡 Hint

Common Mistakes

Using light: which is not a valid Tailwind prefix.

Confusing hover or focus states with dark mode.

The dark: prefix applies styles when dark mode is active.

4fill in blank

hard

Fill both blanks to create a button with light background and dark text that changes in dark mode.

Tailwind

<button class="bg-[1]-200 text-[2]-900 dark:bg-[1]-800 dark:text-[2]-100 p-3 rounded">
  Click me
</button>

Drag options to blanks, or click blank then click option'

Ablue

Bgreen

Cgray

Dred

Attempts:

3 left

💡 Hint

Common Mistakes

Using the same color for background and text causing poor contrast.

Choosing colors that do not have matching dark mode shades.

Using blue for background and gray for text creates a good light/dark contrast.

5fill in blank

hard

Fill all three blanks to create a card with light background, dark border, and text that adapts in dark mode.

Tailwind

<div class="bg-[1]-50 border-[2]-700 text-[3]-900 dark:bg-[1]-900 dark:border-[2]-300 dark:text-[3]-100 p-5 rounded-lg">
  Adaptive color card
</div>

Drag options to blanks, or click blank then click option'

Ayellow

Bgray

Cpurple

Dteal

Attempts:

3 left

💡 Hint

Common Mistakes

Using bright colors for border causing harsh contrast.

Not matching dark mode shades properly.

Using teal for background, and gray for border and text ensures good contrast and adapts well in dark mode.

Practice

1. Which Tailwind color pairing is best for readability on a light background?

easy

A. Use bg-gray-200 with text-gray-300

B. Use bg-white with text-white

C. Use bg-black with text-black

D. Use bg-white with text-black

Solution

1. Step 1: Understand light background with dark text

   Light backgrounds like white need dark text for clear contrast.

2. Step 2: Match Tailwind classes for this pairing

   bg-white is light background, text-black is dark text, making text easy to read.

3. Final Answer:

   Use bg-white with text-black -> Option D

4. Quick Check:

   Light background + dark text = Use bg-white with text-black [OK]

Hint: Light background needs dark text for best contrast [OK]

Common Mistakes:

• Using light text on light background
• Using dark background with dark text
• Ignoring contrast for readability

2. Which Tailwind class combination correctly pairs a dark background with light text?

easy

A. bg-gray-100 text-gray-900

B. bg-black text-white

C. bg-white text-gray-200

D. bg-yellow-50 text-yellow-100

Solution

1. Step 1: Identify dark background and light text classes

   bg-black is a dark background, text-white is light text.

2. Step 2: Confirm correct pairing

   This pairing ensures good contrast and readability on dark backgrounds.

3. Final Answer:

   bg-black text-white -> Option B

4. Quick Check:

   Dark background + light text = bg-black text-white [OK]

Hint: Dark background pairs with light text for clarity [OK]

Common Mistakes:

• Using light background classes with dark text
• Mixing similar light colors causing low contrast
• Confusing background and text classes

3. What will be the visible text color on a bg-gray-900 background with text-gray-300 in Tailwind?

medium

A. Light gray text, readable on dark background

B. Black text, invisible on dark background

C. White text, very bright

D. Very dark gray text, hard to read

Solution

1. Step 1: Understand the background color bg-gray-900

   This is a very dark gray background, almost black.

2. Step 2: Understand the text color text-gray-300

   This is a light gray color, which contrasts well on dark backgrounds.

3. Final Answer:

   Light gray text, readable on dark background -> Option A

4. Quick Check:

   Dark background + light gray text = Light gray text, readable on dark background [OK]

Hint: Dark background with light gray text is readable [OK]

Common Mistakes:

• Assuming gray-300 is dark text
• Confusing gray scale numbers for lightness
• Ignoring contrast importance

4. Identify the error in this Tailwind pairing: bg-white text-gray-100

medium

A. Text color is too light on white background, low contrast

B. Background color is too dark for the text

C. Classes are missing the hover: prefix

D. Text color and background color are the same

Solution

1. Step 1: Analyze background color bg-white

   This is a very light background.

2. Step 2: Analyze text color text-gray-100

   This is a very light gray, close to white, causing poor contrast.

3. Final Answer:

   Text color is too light on white background, low contrast -> Option A

4. Quick Check:

   Light background needs darker text for readability [OK]

Hint: Check contrast: light background needs dark text [OK]

Common Mistakes:

• Ignoring contrast and choosing similar light colors
• Thinking hover prefix affects color pairing
• Confusing same color with low contrast

5. You want a button with a dark background and light text that changes to a light background with dark text on hover using Tailwind. Which class set is correct?

hard

A. bg-white text-black hover:bg-black hover:text-white

B. bg-gray-100 text-gray-800 hover:bg-gray-800 hover:text-gray-100

C. bg-gray-800 text-gray-100 hover:bg-gray-100 hover:text-gray-800

D. bg-black text-black hover:bg-white hover:text-white

Solution

1. Step 1: Identify dark background and light text classes

   bg-gray-800 is dark background, text-gray-100 is light text.

2. Step 2: Check hover classes for light background and dark text

   hover:bg-gray-100 is light background, hover:text-gray-800 is dark text, matching the requirement.

3. Final Answer:

   bg-gray-800 text-gray-100 hover:bg-gray-100 hover:text-gray-800 -> Option C

4. Quick Check:

   Dark bg + light text, hover reverses colors = bg-gray-800 text-gray-100 hover:bg-gray-100 hover:text-gray-800 [OK]

Hint: Hover classes reverse bg and text colors for effect [OK]

Common Mistakes:

• Swapping hover text and background colors incorrectly
• Using same colors for bg and text causing invisibility
• Forgetting to add hover: prefix