Sérgio Gomes sgomes
sgomes
/ functions.scss
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September 27, 2022 12:36
[Using Sass to automatically pick text colors] #4 - step 2
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| /** | |
| * Calculate the luminance for a color. | |
| * See https://www.w3.org/TR/WCAG20-TECHS/G17.html#G17-tests | |
| */ | |
| @function luminance($color) { | |
| $red: nth($linear-channel-values, red($color) + 1); | |
| $green: nth($linear-channel-values, green($color) + 1); | |
| $blue: nth($linear-channel-values, blue($color) + 1); | |
| @return .2126 * $red + .7152 * $green + .0722 * $blue; |
sgomes
/ step1.scss
Last active
December 21, 2016 15:50
[Using Sass to automatically pick text colors] #3 - step 1
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| $theme-color: #3f51b5 !default; | |
| theme-color-bg { | |
| background-color: $theme-color; | |
| } | |
| theme-color-bg-contrast { | |
| color: choose-contrast-color($theme-color); | |
| } |
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| dark-background-contrast { | |
| color: white; | |
| } | |
| light-background-contrast { | |
| color: black; | |
| } |
sgomes
/ output.css
Last active
December 21, 2016 15:03
[Using Sass to automatically pick text colors] #2 - desired output
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| theme-color-bg { | |
| background-color: #3f51b5; | |
| } | |
| theme-color-bg-contrast { | |
| color: white; | |
| } |
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| ### Keybase proof | |
| I hereby claim: | |
| * I am sgomes on github. | |
| * I am sgomes (https://keybase.io/sgomes) on keybase. | |
| * I have a public key whose fingerprint is E59A DF7F F82A E973 F7CF 196B B273 014C 8B9F 3B03 | |
| To claim this, I am signing this object: |