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2. Coolors - The super fast color schemes generator!
3. uiGradients - Beautiful colored gradients
4. Palettes | Flat UI Colors 🎨 280 handpicked colors ready for COPY & PASTE
5. Material Design Color Palette Generator - Material Palette
6. Color Palettes for Designers and Artists - Color Hunt
7. Paletton - The Color Scheme Designer
8. Color Picker Tool | 0to255