LightSlateGrey
A mid, cool blue -- the dependable foundation of trustworthy interfaces.
Create LightSlateGrey in PHP
Parse the catalog’s canonical value once, then keep the resulting color object throughout the rest of your code.
<?php
use PhpColor\Color\Color;
$lightslategrey = Color::parse('#778899');ColorInterface
$lightslategrey
#778899 · oklch(0.6190 0.0325 248.4)
Build a LightSlateGrey harmony
tetradic() keeps LightSlateGrey and adds three partners at equal quarter-turns around the OKLCH hue wheel.
<?php
$harmony = $lightslategrey->tetradic();
foreach ($harmony as $color) {
echo $color->toHex().PHP_EOL;
}- 0
#778899 - 1
#947f8d - 2
#938371 - 3
#768c7f
Generate a LightSlateGrey scale
Keep the original hue and chroma, then vary OKLCH lightness to produce perceptually ordered steps.
<?php
$oklch = $lightslategrey->to('oklch');
foreach ([0.97, 0.92, 0.84, 0.74, 0.66, 0.58, 0.48, 0.40, 0.32, 0.24, 0.16] as $lightness) {
$step = $oklch->withChannel('l', $lightness);
}50
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Format LightSlateGrey for the web
The same object can emit a compact Hex value, an sRGB CSS function, or its perceptual OKLCH coordinates.
<?php
$hex = $lightslategrey->toHex();
$rgb = $lightslategrey->toCss('srgb');
$oklch = $lightslategrey->to('oklch')->toCss();- hex
#778899- rgb
rgb(119 136 153)- oklch
oklch(0.61902 0.0324987 248.351)