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ACE: A Colour Palette Design Tool for Balancing Aesthetics and Accessibility

机译:ACE:平衡美学和辅助功能的调色板设计工具

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Colour can convey a mood or elicit a particular emotion and, in terms of web design, colour can influence attitudes, perceptions, and behaviours. However, many websites demonstrate inaccessible colour choices. Numerous online colour palette design tools only focus on assisting designers with either the aesthetics or accessibility of colours. With a user-centered design approach, we developed the Accessible Colour Evaluator (ACE) which enhances web developers' and designers' ability to balance aesthetic and accessibility constraints. We distributed an online questionnaire to 28 web developers and designers to understand their attitudes and utilisation of accessibility guidelines, as well as to gather initial design requirements for ACE. With this information, we created three low-fidelity paper prototypes that were used to create two high-fidelity prototypes. The high-fidelity prototypes were discussed with 4 web developers and designers during a design workshop, and their feedback was used to develop the final version of ACE. A comparative evaluation of ACE and three existing alternative tools was conducted with 10 new web developers and designers. All participants were able to complete a colour palette design task when using ACE and identified ACE as their most preferred tool. The mean scores for the six TLX measures show ACE as providing the best performance and causing the lowest frustration. Finally, we conducted a small focus group with 3 web developers and designers to gather qualitative feedback about ACE. Participants identified a number of ACE's strengths and made suggestions for future extensions and improvements.
机译:颜色可以传达一种情绪或引起一种特定的情感,并且就网页设计而言,颜色可以影响态度,感知和行为。但是,许多网站显示出无法访问的颜色选择。许多在线调色板设计工具仅专注于帮助设计师获得美学或颜色的可及性。通过以用户为中心的设计方法,我们开发了无障碍颜色评估器(ACE),它增强了Web开发人员和设计人员平衡美学和可访问性约束的能力。我们向28位Web开发人员和设计师分发了一份在线调查问卷,以了解他们的态度和可访问性准则的使用,以及收集ACE的初始设计要求。利用这些信息,我们创建了三个低保真纸质原型,用于创建两个高保真度原型。在设计研讨会期间,与4位Web开发人员和设计师讨论了高保真原型,并使用他们的反馈来开发ACE的最终版本。与10位新的Web开发人员和设计师进行了ACE和三种现有替代工具的比较评估。当使用ACE时,所有参与者都能够完成调色板设计任务,并将ACE作为他们最喜欢的工具。六项TLX度量的平均分数显示ACE提供了最佳性能,并导致最低的挫败感。最后,我们与3位Web开发人员和设计师组成了一个小型焦点小组,以收集有关ACE的定性反馈。参与者确定了ACE的许多优势,并提出了对将来扩展和改进的建议。

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