| Evaluation instructions |
Source |
| Documentation |
|
View the documentation materials in black and white to verify that
color is used as an enhancement and not as a way to convey information. |
EITAAC, 1999 |
| Verify that the contrast ratio of documentation materials is 3:1 or
greater (or contrast is greater than 70%). |
Microsoft, 1999 |
| Hardware |
Input/controls |
Inspect controls and for controls with color, determine whether color is the only source of coding. Verify that colors for color-coded buttons are selectable. |
Section 255, Telecommunications Act [1193.41(b)(2)(d), 1193.41(c)(2)(c) Advisory Guidance] |
| Inspect each control label to verify that control identification is coded by relative shape or position, or graphic labels, in addition to color-coding. |
Section 255, Telecommunications Act [1193.41(c)(2)(a), Advisory Guidance] |
| Output/displays |
Identify colors that are used. Verify that colors with low luminance are not used. |
Section 255, Telecommunications Act [1193.41(c)(2)(d) Advisory Guidance] |
| Verify that color selection (hue and/or intensity) is adjustable. |
Section 255, Telecommunications Act [1193.41(c)(2)(c) Advisory Guidance] |
| Inspect each display and output format to verify that the color blue, green, or violet is not used to convey information. |
|
| Inspect each display and output format to verify that only black and white or colors that vary in intensity or hue are used. |
Section 255, Telecommunications Act [1193.41(c)(2)(c) Advisory Guidance];EITACC, 1999 |
| Inspect each display and output format to verify that multicolor combinations red/green, yellow/blue, red/brown, blue/green, white/light green are not used. |
; Section 255, Telecommunications Act [1193.41(c)(2)(b) Advisory Guidance];EITACC, 1999 |
| Inspect each display and output format to verify that color-coding is not used as a primary coding technique. |
Section 255, Telecommunications Act [1193.41(c)(2)(a), 1193.41(b)(2)(b), Advisory Guidance] |
| Software |
|
Verify that application colors are selectable. |
Microsoft, 1999 |
| Test the interface in black and white to verify that color is used as an enhancement and not as a way to convey information. |
EITAAC, 1999 |
| Websites |
|
View the website with multiple settings and browsers to verify that site colors can be overridden by the user's browser settings. |
RNIB, 2000 |
| View the website with multiple browsers to verify that green/blue, red/green, red/brown, blue/yellow, and white/light green color combinations are not used. |
W3C, 1999 |
| View the site in black and white and verify that color is used as an enhancement and not as a way to convey information. |
W3C, 1999 |
| Verify that all information conveyed with color is also available without color (e.g., from context or markup). |
Section 508, Workforce Investment Act [1194.22(c)] |
| Inspect the website in black and white to verify that colors that differ significantly in intensity are used. |
W3C, 1999 |
| Inspect each page in the site and verify that the contrast ratio is 3:1 or greater (or contrast is greater than 70%). |
University of Washington, 2000 |
| Inspect each page in the site and verify that muted colors with low luminance values (intensity) are not used. |
W3C, 1999 |