Средство анализа для проверки цветовой контрастности
Цвета / Градиенты
Colorable
WebAIM: Contrast Checker
uiGradients - Beautiful colored gradients
Create a Palette - Coolors
Paletton - The Color Scheme Designer
LOL Colors - Curated color palette inspiration
Color Hunt - Color Palettes for Designers and Artists
Eva Design System: Deep learning color generator
Color Hex Color Codes
mymind
Design Gradients — designgradients.com
Athens Gray - flatuicolorpicker : Best Flat Colors UI Design