Contents

Introduction

The purpose of this page is to display luminosity contrast ratios for all web safe colours against a web safe background colour. The results are shown in a table that also includes the difference in brightness, and the difference in colour that are used by the colour contrast analyser for comparison. To test the luminosity contrast ratio for any colour combination, use the luminosity contrast ratio analyser.

The following icons are used in the results to indicate whether or not the result of a calculation is a pass.

Key for the Icons
Icon Meaning
Fail Indicates the value shown is a failure.
Pass Indicates the value shown is a pass.
Level AA Indicates that the luminosity contrast ratio is a level AA pass for large text (at least 18 point or 14 point bold)
Level AAA Indicates that the luminosity contrast ratio is a level AAA pass for large text (at least 18 point or 14 point bold)
Level AA Indicates that the luminosity contrast ratio is a level AA pass for regular text.
Level AAA Indicates that the luminosity contrast ratio is a level AAA pass for regular text.

Luminosity Contrast Ratios for #ff3

The following table shows the luminosity contrast ratios for all web safe colours with a background colour of #ff3, along with the difference in brightness and the difference in colour used by the colour contrast analyser for comparison.

Luminosity Ratios with background: #ff3
Foreground Colour Sample Luminosity Contrast Ratio Difference in Brightness Difference in Colour
#000 Sample Pass Level AAA for large text19.60
Pass Level AAA for regular text
Pass 231 Pass 561
#003 Sample Pass Level AAA for large text18.71
Pass Level AAA for regular text
Pass 225 Pass 510
#006 Sample Pass Level AAA for large text16.45
Pass Level AAA for regular text
Pass 220 Pass 561
#009 Sample Pass Level AAA for large text13.43
Pass Level AAA for regular text
Pass 214 Pass 612
#00c Sample Pass Level AAA for large text10.47
Pass Level AAA for regular text
Pass 208 Pass 663
#00f Sample Pass Level AAA for large text8.02
Pass Level AAA for regular text
Pass 202 Pass 714
#030 Sample Pass Level AAA for large text13.30
Pass Level AAA for regular text
Pass 201 Pass 510
#033 Sample Pass Level AAA for large text12.89
Pass Level AAA for regular text
Pass 195 Fail 459
#036 Sample Pass Level AAA for large text11.77
Pass Level AAA for regular text
Pass 190 Pass 510
#039 Sample Pass Level AAA for large text10.14
Pass Level AAA for regular text
Pass 184 Pass 561
#03c Sample Pass Level AAA for large text8.36
Pass Level AAA for regular text
Pass 178 Pass 612
#03f Sample Pass Level AAA for large text6.72
Pass level 2 fo regular text
Pass 172 Pass 663
#060 Sample Pass Level AAA for large text6.76
Pass level 2 fo regular text
Pass 171 Fail 459
#063 Sample Pass Level AAA for large text6.65
Pass level 2 fo regular text
Pass 166 Fail 408
#066 Sample Pass Level AAA for large text6.34
Pass level 2 fo regular text
Pass 160 Fail 459
#069 Sample Pass Level AAA for large text5.83
Pass level 2 fo regular text
Pass 154 Pass 510
#06c Sample Pass Level AAA for large text5.20
Pass level 2 fo regular text
Pass 148 Pass 561
#06f Sample Pass Level AAA for large text4.51
Pass level 2 fo regular text
Pass 142 Pass 612
#090 Sample Pass Level AA for large text3.53
Fail fo regular text
Pass 141 Fail 408
#093 Sample Pass Level AA for large text3.50
Fail fo regular text
Pass 136 Fail 357
#096 Sample Pass Level AA for large text3.41
Fail fo regular text
Pass 130 Fail 408
#099 Sample Pass Level AA for large text3.26
Fail fo regular text
Fail 124 Fail 459
#09c Sample Pass Level AA for large text3.05
Fail fo regular text
Fail 118 Pass 510
#09f Sample Fail2.80
Fail
Fail 112 Pass 561
#0c0 Sample Fail2.03
Fail
Fail 111 Fail 357
#0c3 Sample Fail2.02
Fail
Fail 106 Fail 306
#0c6 Sample Fail1.99
Fail
Fail 100 Fail 357
#0c9 Sample Fail1.94
Fail
Fail 94 Fail 408
#0cc Sample Fail1.87
Fail
Fail 88 Fail 459
#0cf Sample Fail1.77
Fail
Fail 82 Pass 510
#0f0 Sample Fail1.28
Fail
Fail 82 Fail 306
#0f3 Sample Fail1.28
Fail
Fail 76 Fail 255
#0f6 Sample Fail1.27
Fail
Fail 70 Fail 306
#0f9 Sample Fail1.24
Fail
Fail 64 Fail 357
#0fc Sample Fail1.21
Fail
Fail 58 Fail 408
#0ff Sample Fail1.17
Fail
Fail 52 Fail 459
#300 Sample Pass Level AAA for large text17.18
Pass Level AAA for regular text
Pass 216 Pass 510
#303 Sample Pass Level AAA for large text16.49
Pass Level AAA for regular text
Pass 210 Fail 459
#306 Sample Pass Level AAA for large text14.71
Pass Level AAA for regular text
Pass 204 Pass 510
#309 Sample Pass Level AAA for large text12.25
Pass Level AAA for regular text
Pass 199 Pass 561
#30c Sample Pass Level AAA for large text9.74
Pass Level AAA for regular text
Pass 193 Pass 612
#30f Sample Pass Level AAA for large text7.58
Pass Level AAA for regular text
Pass 187 Pass 663
#330 Sample Pass Level AAA for large text12.14
Pass Level AAA for regular text
Pass 186 Fail 459
#333 Sample Pass Level AAA for large text11.79
Pass Level AAA for regular text
Pass 180 Fail 408
#336 Sample Pass Level AAA for large text10.85
Pass Level AAA for regular text
Pass 174 Fail 459
#339 Sample Pass Level AAA for large text9.45
Pass Level AAA for regular text
Pass 169 Pass 510
#33c Sample Pass Level AAA for large text7.88
Pass Level AAA for regular text
Pass 163 Pass 561
#33f Sample Pass Level AAA for large text6.41
Pass level 2 fo regular text
Pass 157 Pass 612
#360 Sample Pass Level AAA for large text6.45
Pass level 2 fo regular text
Pass 156 Fail 408
#363 Sample Pass Level AAA for large text6.35
Pass level 2 fo regular text
Pass 150 Fail 357
#366 Sample Pass Level AAA for large text6.06
Pass level 2 fo regular text
Pass 144 Fail 408
#369 Sample Pass Level AAA for large text5.60
Pass level 2 fo regular text
Pass 139 Fail 459
#36c Sample Pass Level AAA for large text5.01
Pass level 2 fo regular text
Pass 133 Pass 510
#36f Sample Pass Level AA for large text4.37
Fail fo regular text
Pass 127 Pass 561
#390 Sample Pass Level AA for large text3.44
Fail fo regular text
Pass 126 Fail 357
#393 Sample Pass Level AA for large text3.41
Fail fo regular text
Fail 120 Fail 306
#396 Sample Pass Level AA for large text3.33
Fail fo regular text
Fail 115 Fail 357
#399 Sample Pass Level AA for large text3.18
Fail fo regular text
Fail 109 Fail 408
#39c Sample Fail2.98
Fail
Fail 103 Fail 459
#39f Sample Fail2.75
Fail
Fail 97 Pass 510
#3c0 Sample Fail2.00
Fail
Fail 96 Fail 306
#3c3 Sample Fail2.00
Fail
Fail 90 Fail 255
#3c6 Sample Fail1.97
Fail
Fail 85 Fail 306
#3c9 Sample Fail1.91
Fail
Fail 79 Fail 357
#3cc Sample Fail1.84
Fail
Fail 73 Fail 408
#3cf Sample Fail1.75
Fail
Fail 67 Fail 459
#3f0 Sample Fail1.27
Fail
Fail 66 Fail 255
#3f3 Sample Fail1.27
Fail
Fail 60 Fail 204
#3f6 Sample Fail1.25
Fail
Fail 55 Fail 255
#3f9 Sample Fail1.23
Fail
Fail 49 Fail 306
#3fc Sample Fail1.20
Fail
Fail 43 Fail 357
#3ff Sample Fail1.16
Fail
Fail 37 Fail 408
#600 Sample Pass Level AAA for large text12.53
Pass Level AAA for regular text
Pass 201 Fail 459
#603 Sample Pass Level AAA for large text12.16
Pass Level AAA for regular text
Pass 195 Fail 408
#606 Sample Pass Level AAA for large text11.16
Pass Level AAA for regular text
Pass 189 Fail 459
#609 Sample Pass Level AAA for large text9.68
Pass Level AAA for regular text
Pass 183 Pass 510
#60c Sample Pass Level AAA for large text8.04
Pass Level AAA for regular text
Pass 177 Pass 561
#60f Sample Pass Level AAA for large text6.52
Pass level 2 fo regular text
Pass 172 Pass 612
#630 Sample Pass Level AAA for large text9.62
Pass Level AAA for regular text
Pass 171 Fail 408
#633 Sample Pass Level AAA for large text9.40
Pass Level AAA for regular text
Pass 165 Fail 357
#636 Sample Pass Level AAA for large text8.79
Pass Level AAA for regular text
Pass 159 Fail 408
#639 Sample Pass Level AAA for large text7.85
Pass Level AAA for regular text
Pass 153 Fail 459
#63c Sample Pass Level AAA for large text6.74
Pass level 2 fo regular text
Pass 148 Pass 510
#63f Sample Pass Level AAA for large text5.63
Pass level 2 fo regular text
Pass 142 Pass 561
#660 Sample Pass Level AAA for large text5.66
Pass level 2 fo regular text
Pass 141 Fail 357
#663 Sample Pass Level AAA for large text5.58
Pass level 2 fo regular text
Pass 135 Fail 306
#666 Sample Pass Level AAA for large text5.36
Pass level 2 fo regular text
Pass 129 Fail 357
#669 Sample Pass Level AAA for large text4.99
Pass level 2 fo regular text
Fail 123 Fail 408
#66c Sample Pass Level AAA for large text4.52
Pass level 2 fo regular text
Fail 118 Fail 459
#66f Sample Pass Level AA for large text3.99
Fail fo regular text
Fail 112 Pass 510
#690 Sample Pass Level AA for large text3.20
Fail fo regular text
Fail 111 Fail 306
#693 Sample Pass Level AA for large text3.18
Fail fo regular text
Fail 105 Fail 255
#696 Sample Pass Level AA for large text3.11
Fail fo regular text
Fail 99 Fail 306
#699 Sample Fail2.98
Fail
Fail 93 Fail 357
#69c Sample Fail2.80
Fail
Fail 88 Fail 408
#69f Sample Fail2.59
Fail
Fail 82 Fail 459
#6c0 Sample Fail1.92
Fail
Fail 81 Fail 255
#6c3 Sample Fail1.91
Fail
Fail 75 Fail 204
#6c6 Sample Fail1.89
Fail
Fail 69 Fail 255
#6c9 Sample Fail1.84
Fail
Fail 64 Fail 306
#6cc Sample Fail1.77
Fail
Fail 58 Fail 357
#6cf Sample Fail1.68
Fail
Fail 52 Fail 408
#6f0 Sample Fail1.24
Fail
Fail 51 Fail 204
#6f3 Sample Fail1.23
Fail
Fail 45 Fail 153
#6f6 Sample Fail1.22
Fail
Fail 39 Fail 204
#6f9 Sample Fail1.20
Fail
Fail 34 Fail 255
#6fc Sample Fail1.17
Fail
Fail 28 Fail 306
#6ff Sample Fail1.13
Fail
Fail 22 Fail 357
#900 Sample Pass Level AAA for large text8.33
Pass Level AAA for regular text
Pass 185 Fail 408
#903 Sample Pass Level AAA for large text8.16
Pass Level AAA for regular text
Pass 180 Fail 357
#906 Sample Pass Level AAA for large text7.70
Pass Level AAA for regular text
Pass 174 Fail 408
#909 Sample Pass Level AAA for large text6.97
Pass level 2 fo regular text
Pass 168 Fail 459
#90c Sample Pass Level AAA for large text6.08
Pass level 2 fo regular text
Pass 162 Pass 510
#90f Sample Pass Level AAA for large text5.16
Pass level 2 fo regular text
Pass 156 Pass 561
#930 Sample Pass Level AAA for large text6.93
Pass level 2 fo regular text
Pass 156 Fail 357
#933 Sample Pass Level AAA for large text6.82
Pass level 2 fo regular text
Pass 150 Fail 306
#936 Sample Pass Level AAA for large text6.49
Pass level 2 fo regular text
Pass 144 Fail 357
#939 Sample Pass Level AAA for large text5.96
Pass level 2 fo regular text
Pass 138 Fail 408
#93c Sample Pass Level AAA for large text5.30
Pass level 2 fo regular text
Pass 132 Fail 459
#93f Sample Pass Level AAA for large text4.59
Pass level 2 fo regular text
Pass 126 Pass 510
#960 Sample Pass Level AAA for large text4.61
Pass level 2 fo regular text
Pass 126 Fail 306
#963 Sample Pass Level AAA for large text4.56
Pass level 2 fo regular text
Fail 120 Fail 255
#966 Sample Pass Level AA for large text4.41
Fail fo regular text
Fail 114 Fail 306
#969 Sample Pass Level AA for large text4.16
Fail fo regular text
Fail 108 Fail 357
#96c Sample Pass Level AA for large text3.82
Fail fo regular text
Fail 102 Fail 408
#96f Sample Pass Level AA for large text3.44
Fail fo regular text
Fail 97 Fail 459
#990 Sample Fail2.84
Fail
Fail 96 Fail 255
#993 Sample Fail2.82
Fail
Fail 90 Fail 204
#996 Sample Fail2.76
Fail
Fail 84 Fail 255
#999 Sample Fail2.66
Fail
Fail 78 Fail 306
#99c Sample Fail2.52
Fail
Fail 72 Fail 357
#99f Sample Fail2.35
Fail
Fail 67 Fail 408
#9c0 Sample Fail1.78
Fail
Fail 66 Fail 204
#9c3 Sample Fail1.78
Fail
Fail 60 Fail 153
#9c6 Sample Fail1.75
Fail
Fail 54 Fail 204
#9c9 Sample Fail1.71
Fail
Fail 48 Fail 255
#9cc Sample Fail1.65
Fail
Fail 42 Fail 306
#9cf Sample Fail1.58
Fail
Fail 37 Fail 357
#9f0 Sample Fail1.18
Fail
Fail 36 Fail 153
#9f3 Sample Fail1.17
Fail
Fail 30 Fail 102
#9f6 Sample Fail1.16
Fail
Fail 24 Fail 153
#9f9 Sample Fail1.15
Fail
Fail 18 Fail 204
#9fc Sample Fail1.12
Fail
Fail 13 Fail 255
#9ff Sample Fail1.08
Fail
Fail 7 Fail 306
#c00 Sample Pass Level AAA for large text5.50
Pass level 2 fo regular text
Pass 170 Fail 357
#c03 Sample Pass Level AAA for large text5.42
Pass level 2 fo regular text
Pass 164 Fail 306
#c06 Sample Pass Level AAA for large text5.21
Pass level 2 fo regular text
Pass 159 Fail 357
#c09 Sample Pass Level AAA for large text4.87
Pass level 2 fo regular text
Pass 153 Fail 408
#c0c Sample Pass Level AA for large text4.42
Fail fo regular text
Pass 147 Fail 459
#c0f Sample Pass Level AA for large text3.91
Fail fo regular text
Pass 141 Pass 510
#c30 Sample Pass Level AAA for large text4.85
Pass level 2 fo regular text
Pass 140 Fail 306
#c33 Sample Pass Level AAA for large text4.79
Pass level 2 fo regular text
Pass 134 Fail 255
#c36 Sample Pass Level AAA for large text4.63
Pass level 2 fo regular text
Pass 129 Fail 306
#c39 Sample Pass Level AA for large text4.36
Fail fo regular text
Fail 123 Fail 357
#c3c Sample Pass Level AA for large text3.99
Fail fo regular text
Fail 117 Fail 408
#c3f Sample Pass Level AA for large text3.57
Fail fo regular text
Fail 111 Fail 459
#c60 Sample Pass Level AA for large text3.59
Fail fo regular text
Fail 110 Fail 255
#c63 Sample Pass Level AA for large text3.55
Fail fo regular text
Fail 105 Fail 204
#c66 Sample Pass Level AA for large text3.46
Fail fo regular text
Fail 99 Fail 255
#c69 Sample Pass Level AA for large text3.31
Fail fo regular text
Fail 93 Fail 306
#c6c Sample Pass Level AA for large text3.09
Fail fo regular text
Fail 87 Fail 357
#c6f Sample Fail2.84
Fail
Fail 81 Fail 408
#c90 Sample Fail2.41
Fail
Fail 80 Fail 204
#c93 Sample Fail2.40
Fail
Fail 75 Fail 153
#c96 Sample Fail2.36
Fail
Fail 69 Fail 204
#c99 Sample Fail2.28
Fail
Fail 63 Fail 255
#c9c Sample Fail2.18
Fail
Fail 57 Fail 306
#c9f Sample Fail2.05
Fail
Fail 51 Fail 357
#cc0 Sample Fail1.61
Fail
Fail 51 Fail 153
#cc3 Sample Fail1.60
Fail
Fail 45 Fail 102
#cc6 Sample Fail1.58
Fail
Fail 39 Fail 153
#cc9 Sample Fail1.55
Fail
Fail 33 Fail 204
#ccc Sample Fail1.50
Fail
Fail 27 Fail 255
#ccf Sample Fail1.44
Fail
Fail 21 Fail 306
#cf0 Sample Fail1.10
Fail
Fail 21 Fail 102
#cf3 Sample Fail1.09
Fail
Fail 15 Fail 51
#cf6 Sample Fail1.09
Fail
Fail 9 Fail 102
#cf9 Sample Fail1.07
Fail
Fail 3 Fail 153
#cfc Sample Fail1.05
Fail
Fail 2 Fail 204
#cff Sample Fail1.01
Fail
Fail 8 Fail 255
#f00 Sample Pass Level AA for large text3.73
Fail fo regular text
Pass 155 Fail 306
#f03 Sample Pass Level AA for large text3.70
Fail fo regular text
Pass 149 Fail 255
#f06 Sample Pass Level AA for large text3.60
Fail fo regular text
Pass 143 Fail 306
#f09 Sample Pass Level AA for large text3.43
Fail fo regular text
Pass 138 Fail 357
#f0c Sample Pass Level AA for large text3.20
Fail fo regular text
Pass 132 Fail 408
#f0f Sample Fail2.93
Fail
Pass 126 Fail 459
#f30 Sample Pass Level AA for large text3.42
Fail fo regular text
Fail 125 Fail 255
#f33 Sample Pass Level AA for large text3.40
Fail fo regular text
Fail 119 Fail 204
#f36 Sample Pass Level AA for large text3.31
Fail fo regular text
Fail 113 Fail 255
#f39 Sample Pass Level AA for large text3.17
Fail fo regular text
Fail 108 Fail 306
#f3c Sample Fail2.97
Fail
Fail 102 Fail 357
#f3f Sample Fail2.73
Fail
Fail 96 Fail 408
#f60 Sample Fail2.74
Fail
Fail 95 Fail 204
#f63 Sample Fail2.72
Fail
Fail 89 Fail 153
#f66 Sample Fail2.67
Fail
Fail 83 Fail 204
#f69 Sample Fail2.58
Fail
Fail 78 Fail 255
#f6c Sample Fail2.44
Fail
Fail 72 Fail 306
#f6f Sample Fail2.28
Fail
Fail 66 Fail 357
#f90 Sample Fail2.00
Fail
Fail 65 Fail 153
#f93 Sample Fail1.99
Fail
Fail 59 Fail 102
#f96 Sample Fail1.96
Fail
Fail 54 Fail 153
#f99 Sample Fail1.91
Fail
Fail 48 Fail 204
#f9c Sample Fail1.84
Fail
Fail 42 Fail 255
#f9f Sample Fail1.74
Fail
Fail 36 Fail 306
#fc0 Sample Fail1.41
Fail
Fail 35 Fail 102
#fc3 Sample Fail1.41
Fail
Fail 29 Fail 51
#fc6 Sample Fail1.39
Fail
Fail 24 Fail 102
#fc9 Sample Fail1.37
Fail
Fail 18 Fail 153
#fcc Sample Fail1.33
Fail
Fail 12 Fail 204
#fcf Sample Fail1.28
Fail
Fail 6 Fail 255
#ff0 Sample Fail1.00
Fail
Fail 5 Fail 51
#ff3 Sample Fail1.00
Fail
Fail 0 Fail 0
#ff6 Sample Fail1.01
Fail
Fail 5 Fail 51
#ff9 Sample Fail1.02
Fail
Fail 11 Fail 102
#ffc Sample Fail1.04
Fail
Fail 17 Fail 153
#fff Sample Fail1.07
Fail
Fail 23 Fail 204

Other Background Colour Combinations

Examine luminosity contrast ratios with other web safe backround colours.