Click to pick color Color Picker & Converter Pick any color and convert between HEX, RGB, and HSL instantly. Generate palettes, check contrast, and copy CSS code. ...

Pick a base color, choose a harmony type, and instantly get a complete color scheme with HEX, RGB, HSL values, CSS variables, and WCAG contrast ratios — all in your browser, no uploads, no sign-up. ...

Convert Kelvin color temperature to RGB, HEX, and HSL values instantly. Drag the slider from warm candlelight to cool blue sky, see the color preview update in real time, and copy the values with one click. 5500K Daylight 1000K Warm Neutral Cool 12000K Warm (red/orange) Neutral white Cool (blue) HEX #fff4e0 Copy RGB rgb(255, 244, 224) Copy HSL hsl(38, 100%, 94%) Copy Copy All Values Common Light Sources Candle (1900K) Tungsten (2700K) Halogen (3200K) Fluorescent (4000K) Daylight (5500K) Overcast (6500K) Shade (7500K) Blue Sky (10000K) Warm vs Cool Light Warm light (1000–3500K) has a reddish-orange hue, like candles or incandescent bulbs. It creates a cozy, relaxing atmosphere and is popular in bedrooms and restaurants. ...

Color Vision Test This Ishihara-style screening test checks how well you distinguish colors. Look at each plate and enter the number you see hidden in the pattern. ...

Brightness Saturation Complementary Analogous Triadic Split-Comp Tetradic Color Palette WCAG Contrast Base vs Harmony #1 — — Aa Aa CSS Export CSS Custom Properties Copy CSS Generate color palettes → Color Palette Generator Check color contrast → Color Contrast Checker Simulate color blindness → Color Blindness Simulator Related Tools Color Blindness Simulator Color Contrast Checker Color Converter ...

Cooking Unit Converter Volume Weight By Ingredient Recipe Scaler Quick Reference Amount ⇄ Result From Unit Cup (US) Tablespoon (tbsp) Teaspoon (tsp) Milliliter (ml) Liter (L) Fluid Ounce (fl oz) To Unit Cup (US) Tablespoon (tbsp) Teaspoon (tsp) Milliliter (ml) Liter (L) Fluid Ounce (fl oz) 236.59 ml 1 Cup (US) = 236.59 Milliliter (ml) Tip: 1 US Cup = 16 tablespoons = 48 teaspoons = 236.59 ml = 8 fl oz Amount ⇄ Result From Unit Gram (g) Kilogram (kg) Ounce (oz) Pound (lb) To Unit Gram (g) Kilogram (kg) Ounce (oz) Pound (lb) 0.04 oz 1 Gram (g) = 0.04 Ounce (oz) Tip: 1 oz = 28.35 g  |  1 lb = 16 oz = 453.59 g  |  1 kg = 2.205 lb Convert volume to weight (or vice versa) using ingredient density. ...

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Enter any credit card number to validate its format using the Luhn algorithm and identify the card network. This tool works entirely in your browser — no data is ever sent to a server. Card Network •••• •••• •••• •••• VALID THRU ••/•• —— Card Number Validate Clear Card Network — Number Length — Luhn Check — IIN / BIN — Generate Test Card Numbers These are mathematically valid numbers used for testing only. They are not linked to real accounts. Generate All Types How the Luhn Algorithm Works Enter a card number above to see a step-by-step breakdown. Important Notice: This tool validates number format only. It cannot verify if a card exists, is active, or has available funds. Do not use real card numbers — for testing, use the generated test numbers above. Related Tools IBAN Validator Password Generator BMI Calculator Compound Interest Calculator Unit Converter

Common Presets Cron Expression Expression: Copy Human-Readable Description Every minute Visual Builder Next 10 Run Times Related Tools Convert Unix timestamps → Unix Timestamp Converter Generate Git commands → Git Command Generator Calculate file permissions → Chmod Calculator Related Articles How to Automate Tasks with AI Step by Step

Cron Expression Generator Common Presets Every minute Every hour Daily at midnight Daily at 9 AM Weekly (Mon midnight) Weekly (Mon 9 AM) Monthly 1st Yearly (Jan 1st) Every 5 min Every 15 min Every 30 min Hourly (9–5 weekdays) Manual Entry / Parse Parse Visual Builder Minute Every minute (*) Every N minutes Specific minute(s) Range Hour Every hour (*) Every N hours Specific hour(s) Range Day of Month Every day (*) Specific day(s) Range Month Every month (*) Specific month(s) Range Weekday Any day (*) Specific day(s) Range * * * * * Copied! Copy Runs every minute. Next 5 Execution Times Related: Format code with JSON Formatter