Update inlay hints default colors (fixes #128157)

src/vs/platform/theme/common/colorRegistry.ts

@@ -357,8 +357,8 @@ export const editorActiveLinkForeground = registerColor('editorLink.activeForegr
 /**
  * Inline hints
  */
-export const editorInlayHintForeground = registerColor('editorInlayHint.foreground', { dark: editorWidgetBackground, light: editorWidgetForeground, hc: editorWidgetBackground }, nls.localize('editorInlayHintForeground', 'Foreground color of inline hints'));
-export const editorInlayHintBackground = registerColor('editorInlayHint.background', { dark: editorWidgetForeground, light: editorWidgetBackground, hc: editorWidgetForeground }, nls.localize('editorInlayHintBackground', 'Background color of inline hints'));
+export const editorInlayHintForeground = registerColor('editorInlayHint.foreground', { dark: transparent(badgeForeground, .8), light: transparent(badgeForeground, .8), hc: badgeForeground }, nls.localize('editorInlayHintForeground', 'Foreground color of inline hints'));
+export const editorInlayHintBackground = registerColor('editorInlayHint.background', { dark: transparent(badgeBackground, .6), light: transparent(badgeBackground, .3), hc: badgeBackground }, nls.localize('editorInlayHintBackground', 'Background color of inline hints'));
 
 /**
  * Editor lighbulb icon colors