Accessibility (WCAG 2.1)
Aa
On Black
20.82:1
AAA Pass
Aa
White on Color
1.01:1
Fail
Aa
Black on Color
20.82:1
AAA Pass
Relative Luminance
0.9911
Very Light
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Accessibility (WCAG 2.1)
Aa
On White
5.48:1
AA Pass
Aa
On Black
3.83:1
Large Only
Aa
White on Color
5.48:1
AA Pass
Aa
Black on Color
3.83:1
Large Only
Relative Luminance
0.1417
Dark
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Accessibility (WCAG 2.1)
Aa
On White
7.00:1
AAA Pass
Aa
On Black
3.00:1
Large Only
Aa
White on Color
7.00:1
AAA Pass
Aa
Black on Color
3.00:1
Large Only
Relative Luminance
0.0999
Dark
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Accessibility (WCAG 2.1)
Aa
On White
19.17:1
AAA Pass
Aa
White on Color
19.17:1
AAA Pass
Aa
Black on Color
1.10:1
Fail
Relative Luminance
0.0048
Very Dark
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Accessibility (WCAG 2.1)
Aa
On White
4.20:1
Large Only
Aa
On Black
5.00:1
AA Pass
Aa
White on Color
4.20:1
Large Only
Aa
Black on Color
5.00:1
AA Pass
Relative Luminance
0.2001
Mid-tone
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Accessibility (WCAG 2.1)
Aa
On White
16.25:1
AAA Pass
Aa
White on Color
16.25:1
AAA Pass
Aa
Black on Color
1.29:1
Fail
Relative Luminance
0.0146
Very Dark
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Dark Slate Gray
2.7%
Gray
Accessibility (WCAG 2.1)
Aa
On White
8.69:1
AAA Pass
Aa
White on Color
8.69:1
AAA Pass
Aa
Black on Color
2.42:1
Fail
Relative Luminance
0.0709
Dark
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives
Accessibility (WCAG 2.1)
Aa
On White
5.31:1
AA Pass
Aa
On Black
3.95:1
Large Only
Aa
White on Color
5.31:1
AA Pass
Aa
Black on Color
3.95:1
Large Only
Relative Luminance
0.1476
Dark
Relative luminance defines the perceived brightness of a color.
Values range from 0 (pure black) to 1 (pure white).
This metric is essential for calculating WCAG contrast ratios.
Color Relationships & Derivatives