Aurora is a beautiful and easy to use color picker and dictionary app. It is as feature-rich as it is gorgeous. Key features:

Color picking from the screen Color picking from static images Manual color search Color replace in images Change color brightness and saturation Like and save colors View extensive information about colors (HEX, RGB, HSV, HSL, CMYK, XYZ, CIE-LAB, luminance, distance, and more) View binary, octal, and decimal RGB representations View suggested and related color palettes (including HKS, RAL, and Web) View and copy example CSS, Objective C, and Swift color code for quick usage View contrasts between colors Drag and Drop color reordering Drag and Drop to and from other apps Share and import colors as Hex values or images Import and export Procreate swatches Dark mode support