Increase contrast of default light theme

internal/glance/glance.go

@@ -67,6 +67,7 @@ func newApplication(c *config) (*application, error) {
 		BackgroundColor:    &hslColorField{240, 13, 86},
 		PrimaryColor:       &hslColorField{45, 100, 26},
 		NegativeColor:      &hslColorField{0, 50, 50},
+		ContrastMultiplier: 1.3,
 	})
 
 	themePresets, err := newOrderedYAMLMap(themeKeys, themeProps)