Modifiers matching tint:

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

Simple categories matching pastel:

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