Color Ace is a color tool for front-end web developers.

Check it out here

• Built-in list of CSS colors, with names, hex and RGB values
• One-click copying of hex, RGB, HSL, or CSS color name
• Color palette for selecting a custom color
• One-click adjustments of color lightness
• Save colors
• One-click pasting of a hex color from the clipboard
• Colors are saved in the web browser's Local Storage, so you can continue where you left off
• CSS colors can be filtered by category (e.g. reds, greens, greys, etc.)
• Generate random colors

Color Ace was written in 2019 by Kevin Perry. Technologies used: React, JavaScript, HTML, and CSS.