Shades of green defined by the government of Bangladesh. Another name for this color is "Bangladesh green". Displayed on the right is the color "bright green". Bright green is a bright shade of green. It is on the color wheel approximately one-third of the way between chartreuse green and harlequin (color #3FFF00) (closer to chartreuse green than to harlequin). Bright green represents a visual stimulus of 556 nanometers on the visual spectrum as measured on the CIE chromaticity diagram. The X11 color "green" is somewhat similar to bright green, with a hex triplet of #00FF00, compared to bright green's triplet of #66FF00. The
Diamond color "normal color range" used by internationally recognized laboratories (GIA & IGI for example). The scale ranges from "D" which is totally colorless to "Z" which is a pale yellow or brown color. Brown diamonds darker than "K" color are usually described using their letter grade, and a descriptive phrase, for example "M Faint Brown". Diamonds with more depth of color than "Z" color fall into the fancy color diamond range. Diamond color is graded by comparing a sample stone to a "master stone" set of diamonds. Each "master stone" is known to exhibit the very least amount of body color