LessonAbout 6 minLesson languageEnglishதமிழ் (Tamil)हिन्दी (Hindi)മലയാളം (Malayalam)తెలుగు (Telugu)ಕನ್ನಡ (Kannada)বাংলা (Bengali)मराठी (Marathi)ગુજરાતી (Gujarati)ਪੰਜਾਬੀ (Punjabi)Chapter 3 · Lesson 2 of 502. rgb() and background coloursWrite colours as rgb(red, green, blue), fill boxes with background-color, and keep text easy to read with good contrast.