Modifiers matching tint:

• colored,
• soft,
• neutral,
• cheerful,
• pale,
• pastel,
• subtle,
• permanent,
• clear,
• darker,
• light,
• single,
• vibrant,

Simple categories matching pastel:

• paper,
• color,
• colors,
• flower,
• rose,
• wall,
• tint,
• shade,