Modifiers matching tint:

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

Simple categories matching pastel:

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