"Color bars" redirects here. For segregation by skin color, see Racial segregation. For other uses, see Color Bars (disambiguation). Rendition of SD ECR-1-1978 color bars Colors are only approximate due to different transfers and color spaces used on web pages (sRGB) and video (BT.601 or BT.709) SMPTE color bars are a television test pattern used where the NTSC video standard is utilized, includin