Artboard Studio - Online graphic design app mainly focused on product mockups.
Color Picker by RedKetchup.io - Pick colors from an image, sampler, or spectrum. Convert HEX, RGB, HSL, HSV, CMYK, HTML/CSS colors. Select colors from a PNG, JPEG, WEBP, HEIC, GIF, ICO, TIFF, BMP, or SVG image.
Snappa - The perfect graphic design tool for digital marketers.
Image-Color.com - Find your perfect color using online image color picker. Click on the image to get color in HEX, RGB and HSL format. You can upload your own image file or put image URL.
Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.
Image Color Picker by PineTools - Pick color from an image. Pinetools' online image color picker.