#035E40 is a mid-toned, cool teal-green. On the Color Lab it reads organic and grounded, with a faded, vintage edge. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #035E40 works with other colors. Named schemes with #035E40 in its natural role, and a note on why the supporting colors balance it.
Castleton Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Castleton Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Castleton Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Castleton Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Castleton 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 Castleton Green carrying the quiet middle.
How #035E40 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 #035E40 at work across the surfaces designers actually ship.
:root {
--color-base: #035E40;
--color-base-rgb: 3 94 64;
--color-base-oklch: oklch(42.7% 0.091 162.9);
--color-50: #F0FEFA;
--color-100: #D8FDF1;
--color-200: #B1FCE3;
--color-300: #7BF4CC;
--color-400: #4BE7B3;
--color-500: #28CD96;
--color-600: #269B74;
--color-700: #216D54;
--color-800: #1A4738;
--color-900: #122B23;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F0FEFA',
100: '#D8FDF1',
200: '#B1FCE3',
300: '#7BF4CC',
400: '#4BE7B3',
500: '#28CD96',
600: '#269B74',
700: '#216D54',
800: '#1A4738',
900: '#122B23',
},
}
$base: #035E40; $base-ink: #FFFFFF; $base-50: #F0FEFA; $base-100: #D8FDF1; $base-200: #B1FCE3; $base-300: #7BF4CC; $base-400: #4BE7B3; $base-500: #28CD96; $base-600: #269B74; $base-700: #216D54; $base-800: #1A4738; $base-900: #122B23; $base-hover: #024B33; $base-subtle: #95EDD0;
{
"color": {
"base": {
"value": "#035E40",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEFA",
"type": "color"
},
"100": {
"value": "#D8FDF1",
"type": "color"
},
"200": {
"value": "#B1FCE3",
"type": "color"
},
"300": {
"value": "#7BF4CC",
"type": "color"
},
"400": {
"value": "#4BE7B3",
"type": "color"
},
"500": {
"value": "#28CD96",
"type": "color"
},
"600": {
"value": "#269B74",
"type": "color"
},
"700": {
"value": "#216D54",
"type": "color"
},
"800": {
"value": "#1A4738",
"type": "color"
},
"900": {
"value": "#122B23",
"type": "color"
}
}
}
}