Image bm621.GIF Change Color Brightness
Image bm621.GIF change color brightness
Image bm635.GIF pen color
Image bm722.GIF color brightness (0 to 1)
The change color brightness function enables to change the color brightness by means of a program. The new color will be returned as an output numeric value. The color brightness is changed from the black color (brightness 0) up to the brightest color of a given color nuance (brightness 1).

Full Html Context Help of The Peter - Gemtree Software & Children Programming