Where does black fall on the color spectrum? A color scientist explains
Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...
来自MSN4 天
February Is Black History Month! What Are the Black History Month Colors and What Do They Mean?
February is Black History Month and it pays tribute to the achievements of African Americans throughout U.S. history. It has ...
来自MSN11 个月
Why the Traditional Black History Month Colors Are Black, Green, Red, and Yellow
Another tradition associated with this observance are the traditional Black History Month colors of black, green, red, and yellow. These colors were not chosen by random or just for their look.