Modifiers matching tint:

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

Simple categories matching pastel:

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