LightBlue
A pastel, cool cyan -- the dependable foundation of trustworthy interfaces.
Create LightBlue 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;
$lightblue = Color::parse('#ADD8E6');ColorInterface
$lightblue
#add8e6 · oklch(0.8562 0.0489 219.7)
Build a LightBlue harmony
tetradic() keeps LightBlue and adds three partners at equal quarter-turns around the OKLCH hue wheel.
<?php
$harmony = $lightblue->tetradic();
foreach ($harmony as $color) {
echo $color->toHex().PHP_EOL;
}- 0
#add8e6 - 1
#d9c8e8 - 2
#edc6b8 - 3
#c5d7b5
Generate a LightBlue scale
Keep the original hue and chroma, then vary OKLCH lightness to produce perceptually ordered steps.
<?php
$oklch = $lightblue->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 LightBlue for the web
The same object can emit a compact Hex value, an sRGB CSS function, or its perceptual OKLCH coordinates.
<?php
$hex = $lightblue->toHex();
$rgb = $lightblue->toCss('srgb');
$oklch = $lightblue->to('oklch')->toCss();- hex
#add8e6- rgb
rgb(173 216 230)- oklch
oklch(0.856233 0.0489401 219.654)