Questão 1
Questão
A yellow foreground (text) on a red background separates the areas and provides a contrast in brightness, making a sign more legible. This color combination is always accessible.
Questão 2
Questão
"Hue" is the lightness or darkness of a color.
Questão 3
Questão
Avoid red and black color combinations whenever possible.
Questão 4
Questão
Usually, if something is legible in grayscale, then a color-blind person can view the information.
Questão 5
Questão
Everyone loves Christmas! Use Christmas colors, red and green, whenever possible.
Questão 6
Questão
White on black is readable in large font only.
Questão 7
Questão
Blue on white is accessible only in large text.
Questão 8
Questão
This statement is correct: Place an "X" inside of the yellow box.
Questão 9
Questão
Black and yellow is another combination which usually has a high contrast. Use this combination frequently.
Questão 10
Questão
Orange should be used ONLY with large text and as a highlight.
Questão 11
Questão
Bright colors such as magenta text on a blue background help people with color vision to read.
Questão 12
Questão
Because orange is neither very dark nor very light, it is easy on the eyes and transfers to grayscale well.
Questão 13
Questão
Red and white is indistinguishable from black and white.
Questão 14
Questão
When we talk about contrast ratio we are referring to the difference in value.
Questão 15
Questão
Reduce the afterimage effect from brightly colored hues, such as bright blue on pale pink, by making one of the colors a pastel or dark shade.