Detailed explanation of lightness and saturation from the official textbook for the Color Coordination Examination (Level 3). - Title: Color Coordination Examination Official Textbook, Level 3 Edition - Publisher: Supported by the Ministry of Education, Culture, Sports, Science and Technology - Contents: Explanation and graphs related to lightness and saturation - ISBN: 978-4-9912082-0-5 - Price: 2200 yen There are some markings and writings throughout. Please purchase only if you understand this.