Modifiers matching tint:

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

Simple categories matching pastel:

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