#63BB99 is a mid-toned, cool teal. On the Color Lab it reads organic and grounded. It reproduces cleanly in print.
Not just a swatch — here's how #63BB99 works with other colors. Named schemes with #63BB99 in its natural role, and a note on why the supporting colors balance it.
Dark Sea Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Dark Sea Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
This palette keeps Dark Sea Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.
Dark Sea Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Dark Sea Green is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Dark Sea Green carrying the quiet middle.
How #63BB99 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.
Not a swatch to memorise — a color to build with. Here is #63BB99 at work across the surfaces designers actually ship.
:root {
--color-base: #63BB99;
--color-base-rgb: 99 187 153;
--color-base-oklch: oklch(72.7% 0.100 166.4);
--color-50: #F4FBF8;
--color-100: #E2F3ED;
--color-200: #C6E6DA;
--color-300: #9ED1BD;
--color-400: #79B9A1;
--color-500: #589D82;
--color-600: #497967;
--color-700: #38574B;
--color-800: #273A33;
--color-900: #192420;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
dark-sea-green: {
50: '#F4FBF8',
100: '#E2F3ED',
200: '#C6E6DA',
300: '#9ED1BD',
400: '#79B9A1',
500: '#589D82',
600: '#497967',
700: '#38574B',
800: '#273A33',
900: '#192420',
},
}
$base: #63BB99; $base-ink: #141310; $base-50: #F4FBF8; $base-100: #E2F3ED; $base-200: #C6E6DA; $base-300: #9ED1BD; $base-400: #79B9A1; $base-500: #589D82; $base-600: #497967; $base-700: #38574B; $base-800: #273A33; $base-900: #192420; $base-hover: #469F7D; $base-subtle: #D3E7E0;
{
"color": {
"base": {
"value": "#63BB99",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FBF8",
"type": "color"
},
"100": {
"value": "#E2F3ED",
"type": "color"
},
"200": {
"value": "#C6E6DA",
"type": "color"
},
"300": {
"value": "#9ED1BD",
"type": "color"
},
"400": {
"value": "#79B9A1",
"type": "color"
},
"500": {
"value": "#589D82",
"type": "color"
},
"600": {
"value": "#497967",
"type": "color"
},
"700": {
"value": "#38574B",
"type": "color"
},
"800": {
"value": "#273A33",
"type": "color"
},
"900": {
"value": "#192420",
"type": "color"
}
}
}
}