It is very easy to read blue text on a white background but very difficult to read blue text on a red background 在白色背景上看蓝色文字很轻松，但在红色背景上看蓝色文字却很费神。
Make sure your text contrasts strongly with your background color - - black text on a white background is the best combination 文本与背景颜色对比要强烈? ?黑色文本搭配白色背景，是最好选择。
Use high contrast for the body of your page : black text on white background , or white text on black background work best 网页文本内容颜色对比要明显：黑色文本搭配白色背景，或者白色文本搭配黑色背景。
To practice seeing auras - have the subject stand in front of a white background and look to the side of their body - either side is fine 练习观看光环-条件是站在白色背景的前面，看他们身体的侧面-随便那一侧都行。
For example , it ' s generally accepted that black text on a white background is the easiest to read 比如说，白色背景中出现黑色字体是最容易阅读的，相反，彩色背景下的淡颜色字体容易让用户在阅读长篇文章时，产生迷惑。
People who need to apply for an e - passport are encouraged to mail in their applications and the photograph should be color with white background 入境处呼吁有意申请特区电子护照的市民，尽量使用邮递方式递交申请，申请人亦需递交白色背景的彩色照片。
" the application procedures for hksar e - passport will remain unchanged , except that applicants will be required to submit colour photos with white background , " a government spokesman said , " the passport fees will remain unchanged upon implementation of the hksar e - passport . 政府发言人说：特区电子护照的申请手续维持不变，惟申请人需递交白色背景的彩色照片。在推出特区电子护照时，收费将维持不变。
