noco Inc. (Headquarters: Chuo-ku, Tokyo, Representative Director: Ken Horibe) announces that it has improved the "Automatic CTA Button Text Color Adjustment" feature within its AI customer support system "Help Dog" (https://helpdog.ai). This feature automatically switches the text color of CTA buttons based on the background color. This improvement allows for the determination of text colors with higher visibility against the button's background color, maintaining readable buttons without the need for detailed color adjustments. ■ Background: Choosing Text Colors to Match Button Backgrounds is Difficult In FAQ sites and help pages, CTA buttons are often used to guide users to inquiries or applications. Button background colors can be freely specified to match brand colors, campaigns, and more. However, selecting a readable text color for that background is surprisingly difficult, and in some cases, the text can blend into the background and become hard to see depending on the color scheme. As users browse sites from various environments, buttons where the text is clearly visible ensure that guidance is correctly conveyed and make it easier to prompt the next action. Nevertheless, adjusting the text color for each button while checking its visibility has been a considerable burden for operational staff. ■ Details of the Improvement The "Automatic CTA Button Text Color Adjustment" function judges the background color set for a button and automatically applies the more readable color between white and black. While it previously supported switching between white and black, this update allows for a more accurate evaluation of the contrast between the background and text than before. As a result, even with color schemes that previously tended to make text difficult to read, a clearly legible text color will be selected. No special settings are required to apply this improvement. Simply specify the button's background color as before, and the optimal text color will be aut