Modifiers matching tint:

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

Simple categories matching pastel:

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