Primary#66CDAA
Main brand colour. Use for headers, navigation, and primary buttons.
A split-complement colour scheme built on #66CDAA. The seed plus the two hues either side of its complement. Contrast without tension. A tinted neutral keeps text and surfaces consistent.
Main brand colour. Use for headers, navigation, and primary buttons.
Companion colour. Use for links, highlights, and hover states.
Accent colour. Use for highlights, charts, and callouts.
Tinted neutral drawn from the seed hue. Use for body text, borders, and backgrounds.
Click a swatch to copy its hex code. Badges show WCAG contrast against white text and against dark text (#0F2A3F). AAA is 7:1 or higher. AA is 4.5:1 or higher. AA large is 3:1 or higher.
Sample components show how the colours work together.
Body copy in neutral 500 on a white card. This keeps long text easy to read.
Muted caption text in neutral 300.
Links use primary 500Primary 900 works as a footer or hero background. Secondary 300 gives headings lift without glare.
Get startedCopy this block into your stylesheet, or link to 66cdaa.css and 66cdaa.json.
:root {
--primary-50: #F0FAF6;
--primary-100: #D1F0E6;
--primary-300: #A3E1CC;
--primary-500: #66CDAA;
--primary-700: #4C9A80;
--primary-900: #336655;
--secondary-50: #FAF0F8;
--secondary-100: #F0D1EB;
--secondary-300: #E1A3D7;
--secondary-500: #CD66BD;
--secondary-700: #9A4C8E;
--secondary-900: #66335E;
--tertiary-50: #FAF1F0;
--tertiary-100: #F0D6D1;
--tertiary-300: #E1ADA3;
--tertiary-500: #CD7766;
--tertiary-700: #9A594C;
--tertiary-900: #663C33;
--neutral-50: #EDF0EF;
--neutral-100: #C9D2CF;
--neutral-300: #93A49E;
--neutral-500: #4B685E;
--neutral-700: #384E46;
--neutral-900: #26342F;
}
Steps 50 to 300 are tints. Step 500 is the base colour. Steps 700 and 900 are shades.