Best text color
Dark text gives the strongest contrast on top of your selected color.
An HTML color picker is a tool that lets you choose a color visually and then read its HEX, RGB, and HSL code for websites. This free online color picker helps you test palettes, check contrast, and copy exact values for your next page or project.
Built by Zap Code for kids who want a friendly way to learn how website colors work in real code.
What You Can Do
Read every major web color format
Keep HEX, RGB, and HSL values synced while you edit and copy them.
Generate palettes and check contrast
Build matching color schemes and review WCAG ratings against white and black backgrounds.
Explore a second playground
Pair your color work with the CSS animation playground.
Pick a color, tune the numbers, compare matching palettes, and preview how your choice behaves in a simple web interface.
Visual Picker
Use the browser's native HTML color picker for a quick visual selection, then watch the preview update in real time.
Tap the swatch to open your device's built-in color chooser.
Hue
12deg
Saturation
100%
Lightness
67%
Current Color
#FF7A59
Use this shade for buttons, badges, cards, or playful illustrations. The preview panel shows whether light or dark text reads better on top of it.
Best text color
Dark text gives the strongest contrast on top of your selected color.
Quick color theory
Warmer hues often feel energetic, cooler hues feel calm, and high saturation helps interactive elements stand out on a page.
Palette Generator
Each palette starts with your selected color, so you can compare different color relationships without leaving the page.
Opposite colors for a strong, energetic contrast.
Neighboring hues that feel smooth and connected.
Three evenly spaced hues for playful balance.
A bold base with two contrast colors that stay flexible.
Color History
Recent colors stay here so you can jump backward, compare options, or reuse a shade you liked a minute ago.
Named CSS Colors
CSS supports many named colors. Tap one to load it, then copy the HEX, RGB, or HSL version you want.
Tomato
Warm and playful
Gold
Bright highlight
DeepSkyBlue
Clean and electric
MediumSeaGreen
Fresh and friendly
HotPink
Bold accent
RebeccaPurple
Classic CSS favorite
Coral
Soft sunset tone
Turquoise
Cool splash
SlateBlue
Calm and deep
Orange
Lively CTA color
DodgerBlue
Strong link color
LimeGreen
Game-like energy
Crimson
Strong focus color
Orchid
Soft playful purple
Teal
Balanced and calm
MidnightBlue
Dark mode friendly
Khaki
Warm neutral
PeachPuff
Gentle pastel
Use the HTML color picker or tap a named CSS color to choose your base color quickly.
Adjust the synced color fields until the shade looks right for your button, background, or illustration.
Generate matching color palettes and check WCAG contrast against white and black before you use the color on a page.
Copy the HEX, RGB, or HSL value directly into your website, CSS file, or coding project.
After you find a color palette you like, test motion with the animation tool or browse the rest of the free playgrounds from Zap Code.
Main Product
Want more than a single color tool? Zap Code helps kids turn ideas into full apps and games with AI-assisted building.
Try Zap CodeCommon questions about web colors, CSS color formats, palettes, and contrast.
An HTML color picker is a tool that lets you choose a color visually and read the matching HEX, RGB, or HSL code. Web developers use it to find exact colors for backgrounds, buttons, text, borders, and other page elements.
HEX is a short web-friendly code like #FF7A59, RGB uses red, green, and blue channel numbers, and HSL describes hue, saturation, and lightness. They can all represent the same color, so the best format depends on how you like to work in CSS.
Check the contrast ratio between your color and a light or dark background. Higher ratios are easier to read, and WCAG AA or AAA ratings help you judge whether the color is strong enough for body text, headings, or decorative accents.
This tool generates complementary, analogous, triadic, and split-complementary palettes from your selected color. These palette types help you build color schemes that feel balanced, energetic, or high-contrast.
Yes. The tool is designed to be simple, visual, and beginner-friendly, so kids can experiment with color theory and see how website colors translate into real CSS values without extra setup.