A six-character alphanumeric code representing a color in RGB format, widely used in web design.
A hex color code uses six hexadecimal digits to represent a color. Format: #RRGGBB, where RR = red, GG = green, BB = blue. Values range from 00 (none) to FF (maximum).
When pairs repeat, you can use 3-digit shorthand: #F00 = #FF0000, #0AF = #00AAFF.
RGB: rgb(255, 0, 0). HSL: hsl(0, 100%, 50%). RGBA adds transparency: rgba(255, 0, 0, 0.5).
The number of seconds elapsed since January 1, 1970 (Unix epoch), used universally in computing.
A geographic region that observes a uniform standard time, typically offset from UTC (Coordinated Universal Time).
A measure of how far a vehicle can travel on a unit of fuel, typically expressed as miles per gallon (MPG) or liters per 100 km.
Standardized volume and weight units used in recipes, including teaspoons, tablespoons, cups, ounces, and grams.
A numerical system indicating footwear size, varying by country (US, UK, EU, CM/JP) with no universal standard.
A layer of material (wood chips, bark, straw, or rubber) spread over soil to retain moisture, suppress weeds, and regulate temperature.