Looking for mobile first, tiny foot print, fast, scaleable, flexible, pluggable and a rich color model...
This small (4.9KB gZip, 10.8KB minified, no HTML, images or css needed) HSB color picker is based on a subset of colors.js from it's big brother colorPicker for a precise and rich color model, supports all modern features like touch and MS pointer, GPU accelerated rendering, battery friendly requestAnimationFrame and provides a lot of hooks for developers to write plugins.
##Demo See demo at dematte.at/tinyColorPicker
All the WCAG 2.0 calculations for readability are also based on opacity levels of all layers.
Supported color spaces are: rgb, hsv(b), hsl, HEX
<script type="text/javascript" src="jqColorPicker.min.js">
<script type="text/javascript">
$('.color').colorPicker(); // that's it
// $().colorPicker.destroy(); // for singlePageApps
</script>##jqColorPicker.js
colorPicker uses an instance of Colors and passes the options to it, so some values are the same...
$('.color').colorPicker({
color: ..., // see Colors...
customBG: '#FFF' // see Colors...
animationSpeed: 150, // toggle animation speed
GPU: true, // use transform: translate3d
doRender: true | 'selector', // manipulate color and bgColor of input field (on certain elements if selector)
opacity: true, // enable / disable alpha slider
renderCallback: function($elm, toggled) {}, // this === instance; $elm: the input field;toggle === true -> just appeared; false -> opposite; else -> is rendering on pointer move
// toggled true/false can for example be used to check if the $elm has a certain className and then hide alpha,...
buildCallback: function($elm) {}, // this === instance; $elm: the UI
css: '', // replaces existing css
cssAddon: '', // adds css to existing
margin: '', // positioning margin (can also be set in cssAddon)
scrollResize: true // toggle for reposition colorPicker on window.resize/scroll
gap: 4 // gap to right and bottom edge of view port if repositioned to fit
preventFocus: false // prevents default on focus of input fields (e.g. no keyboard on mobile)
body: document.body // the element where the events are attached to (touchstart, mousedown, pointerdown, focus, click, change)
});##colors.js
This section only shows the options for color.js. They are picked up automatically if set in $('.color').colorPicker
Colors({ // all options have a default value...
color: 'rgba(204, 82, 37, 0.8)', // initial color (#RGB, RGB, #RRGGBB, RRGGBB, rgb(r, g, b), ...)
grey: {r: 0.298954, g: 0.586434, b: 0.114612}, // CIE-XYZ 1931
luminance: {r: 0.2126, g: 0.7152, b: 0.0722}, // W3C 2.0
valueRanges: {rgb: {r: [0, 255], g: [0, 255], b: [0, 255]}, hsv:...}, // skip ranges if no conversion required
customBG: '#808080' // the solid bgColor behind the chosen bgColor (saved color)
convertCallback: function(colors, type){}, // callback function after color convertion for further calculations...
});##The color model, the methods and more
After initializing Color or ColorPicker you'll get a clean but rhich model of the instance:
myColors: {
colors: { all kinds of color values... see later},
options: { all the options you set or that are set as default... },
__proto__: { // all methods Color uses
setColor: function(newCol, type, alpha) {},
setCustomBackground: function(col) {},
saveAsBackground: function() {},
}
}colors.js is a quite handy tool for color calculations/conversion (gray value, contrast and luminance, etc...). It can also calculate layer mixes between background and foreground colors and therefore make calculations about readability (WCAG 2.0 standard). If you need more complex calculations or more color spaces, use the version from https://github.com/PitPik/colorPicker. It supports also cmy, cmyk, XYZ and Lab.
myColorPicker: {
$trigger: ... // jQuery object of active trigger or null if none active
$UI: ... // jQuery object of the colorPicker HTML element
color: { // instance of Color inside colorPicker
colors: { all kinds of color values... see later},
options: { all the options you set or that are set as default... },
__proto__: { all methods Color uses ... see above}
},
__proto__: { // all methods ColorPicker uses
render: function() {},
toggle: function(openClose) {} // openClose: true = open; false = close
}
}The color model
HEX: // current color as HEX (upper case, 6 digits)
rgb: // current RGB color as normalized values (0 - 1)
r: // red
g: // green
b: // blue
hsv: // current color values in normalized HSV (HSB) model
h: // hue
s: // saturation
v: // value (brightness)
hsl: // current color values in normalized HSL model
h: // hue
s: // saturation
l: // lightness
RND: // all above colors in their defined ranges
rgb: // current RGB color, rounded between 0 and 255
r: // red (0 - 255)
g: // green (0 - 255)
b: // blue (0 - 255)
hsv: // see above
h: // hue (0 - 360 degrees)
s: // saturation (0 - 100 %)
v: // value (brightness) (0 - 100 %)
hsl: // see above
h: // hue (0 - 360 degrees)
s: // saturation (0 - 100 %)
l: // lightness (0 - 100 %)
background: // saved (background) color (saveAsBackground(){})
rgb: // color in RGB model
r: // red
g: // green
b: // blue
RGB: // RGB color, rounded between 0 and 255
r: // red (0 - 255)
g: // green (0 - 255)
b: // blue (0 - 255)
alpha: // alpha or opacity value (0 - 1)
equivalentGrey: // r = g = b = (0 - 255)
rgbaMixBlack: // saved (background) color mixed with solid black color
r: // red
g: // green
b: // blue
a: // resulting alpha or opacity value (0 - 1)
luminance: // luminance of resulting mix (0 - 1)
rgbaMixCustom: // saved (background) color mixed with custom (solid) color
r: // red
g: // green
b: // blue
a: // resulting alpha or opacity value (0 - 1)
luminance: // luminance of resulting mix (0 - 1)
rgbaMixWhite: // saved (background) color mixed with solid white color
r: // red
g: // green
b: // blue
a: // resulting alpha or opacity value (0 - 1)
luminance: // luminance of resulting mix (0 - 1)
alpha: // alpha or opacity value (0 - 1) of current color
equivalentGrey: // r = g = b = (0 - 1)
HUELuminance: // luminance of hue (in full brightnes and saturation) (0 - 1)
RGBLuminance: // luminance of the current color
hueRGB: // rounded integer value of current color in rgb model with full saturation and brightness
r: // red (0 - 255)
g: // green (0 - 255)
b: // blue (0 - 255)
saveColor: // '' or 'web smart' or 'web save', if so.
webSave: // closest web-save color
r: // red (0 - 255)
g: // green (0 - 255)
b: // blue (0 - 255)
webSmart: // closest web-smart color
r: // red (0 - 255)
g: // green (0 - 255)
b: // blue (0 - 255)
rgbaMixBG: // color mix result: current color above saved (background) color
r: // red (0 - 1)
g: // green (0 - 1)
b: // blue (0 - 1)
a: // resulting alpha or opacity value (0 - 1)
luminance: // luminance of resulting mix (0 - 1)
rgbaMixBGMixCustom: // color mix result: current color above saved (background) color above solid custom color
r: // red (0 - 1)
g: // green (0 - 1)
b: // blue (0 - 1)
a: // resulting alpha or opacity value (0 - 1)
luminance: // luminance of resulting mix (0 - 1)
luminanceDelta: // luminance difference between current color and resulting saved-custom mix (0 - 1)
hueDelta: // hue difference between current color and resulting saved-custom mix (0 - 1)
WCAG2Ratio: // readability vale (1 - 21, 1:1 to 21:1)
rgbaMixBlack: // color mix result: current color above solid black
r: // red (0 - 1)
g: // green (0 - 1)
b: // blue (0 - 1)
a: // resulting alpha or opacity value (0 - 1)
luminance: // luminance of resulting mix (0 - 1)
WCAG2Ratio: // readability vale (1 - 21, 1:1 to 21:1)
rgbaMixWhite: // color mix result: current color above solid white
r: // red (0 - 1)
g: // green (0 - 1)
b: // blue (0 - 1)
a: // resulting alpha or opacity value (0 - 1)
luminance: // luminance of resulting mix (0 - 1)
WCAG2Ratio: // readability vale (1 - 21, 1:1 to 21:1)
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