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Visual comfort models based on coloured text and neutral background combinations.

Zhenzhen Li1, Yu Liu1, Yuechen Zhu1

  • 1State Key Laboratory of Extreme Photonics and Instrumentation, Zhejiang University, Hangzhou 310027, China.

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|November 30, 2024
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Summary
This summary is machine-generated.

Reading colored text on mobile phones impacts visual comfort. Black backgrounds generally offer higher comfort than white, and visual comfort decreases as text color approaches background color.

Keywords:
Colour differenceDigital readingDisplayLightness contrastPsychophysicsSmart phoneVisual comfort

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Area of Science:

  • Human-Computer Interaction
  • Visual Perception
  • Digital Display Technology

Background:

  • Mobile phone reading can cause visual discomfort.
  • Limited research exists on colored text-background combinations for digital reading.
  • Understanding visual comfort is crucial for mobile display design.

Purpose of the Study:

  • To investigate the impact of colored text on neutral backgrounds on visual comfort.
  • To analyze the effect of color difference between text and background on reading comfort.
  • To develop and compare models for predicting visual comfort in digital reading.

Main Methods:

  • A psychophysical experiment involving 20 participants.
  • Evaluation of 230 colored text on neutral background images.
  • Utilized a 6-point scale to measure visual comfort.

Main Results:

  • Colored text on black backgrounds yielded higher visual comfort than on white backgrounds.
  • Visual comfort decreased as text color became similar to background color.
  • Text hue did not significantly affect visual comfort.

Conclusions:

  • The VC3_LAB model, incorporating lightness and chroma, best predicts visual comfort.
  • Lightness and chroma are key attributes for enhancing visual comfort models.
  • The VC3_LAB model provides a valuable tool for assessing colored text readability on mobile displays.