colorjs.io/apps/convert/style.css

Color space agnostic color manipulation library

body {
	font: 120%/1.5 Helvetica Neue, Helvetica, Segoe UI, sans-serif;
	width: 90vw;
	max-width: fit-content;
	margin: 1em auto;
	padding: 0 2em;
}

input {
	font: inherit;
	font-size: 150%;
	width: 100%;
	padding: 0 .2em;
	box-sizing: border-box;
}

.inputs {
	display: grid;
	grid-template-columns: 1fr auto;
	grid-gap: 1em;
	margin: 3em 0;
}

td {
	padding: .3em .5em;
	font-family: Consolas, Monaco, monospace;
}

td:nth-child(3):hover,
td:nth-child(4):hover {
	cursor: pointer;
	text-decoration: underline;
}

tr:nth-child(even) {
	background: rgba(0,0,0,.05);
}

#colorOutput {
	position: absolute;
	top: 0; left: 0; right: 0;
	width: 100%;
	height: 2em;
	--red-stripe-stops: transparent calc(50% - .05em), red 0 calc(50% + .05em), transparent 0;
	--error-background: linear-gradient(to bottom right, var(--red-stripe-stops)), linear-gradient(to top right, var(--red-stripe-stops)) gray;
}