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The Rio Grande Bible College (RGBI) is a Christian bible college in Edinburg, Texas.It is associated with the Rio Grande Bible Ministries. The college serves as a bible college for students from Mexico, Central America, and South America and it also provides Spanish language training for non-Spanish-speaking North Americans who will serve as missionaries in Spanish-speaking areas of the world.
The 4-bit RGBI palette is similar to the 3-bit RGB palette but adds one bit for intensity. This allows each of the colors of the 3-bit palette to have a dark and bright variant, potentially giving a total of 2 3 ×2 = 16 colors. However, some implementations had only 15 effective colors due to the "dark" and "bright" variations of black being ...
RGBI could refer to: Rio Grande Bible Institute; RGBI interface — Red, Green, Blue, Intensity; a color format, most commonly used in an RGBI cathode ray tube ...
This "RGBI with tweaked brown" palette was retained as the default palette of later PC graphics standards such as EGA and VGA, which can select colors from much larger gamuts, but default to these until reprogrammed. Later video cards/monitors in CGA emulation modes would approximate the colors with the following formula:
The 4-bit RGBI palette is similar to the 3-bit RGB palette but adds one bit for intensity. This allows each of the colors of the 3-bit palette to have a variant (on most machines dark or bright, but saturated or unsaturated was also possible) potentially giving a total of 2 3 ×2 == 16 colors. Some implementations had only 15 effective colors ...
This article is a list of the color palettes for notable computer graphics, terminals and video game console hardware.. Only a sample and the palette's name are given here. More specific articles are linked from the name of each palette, for the test charts, samples, simulated images, and further technical details (including referenc
This seems fine for splitting up 216 colors into a cube of dimension 6. However, lacking gamma correction, the perceived intensity on a standard 2.5 gamma CRT / LCD is only: 0%, 2%, 10%, 28%, 57%, 100%. See the actual web safe color palette for a visual confirmation that the majority of the colors produced are very dark. [22]
The example palette is a 4-bit RGBI palette, but it is not the CGA 4-bit palette. See Color Graphics Adaptor. The bright part of the palette are not pure colors and also instead of light yellow a brown color is used. —Preceding unsigned comment added by 85.116.207.246 09:45, 22 September 2008 (UTC)