Fixed the tint tap color being oversaturated

CHANGELOG.md

@@ -1,6 +1,13 @@
 x.y.z Release Notes (yyyy-MM-dd)
 =============================================================
 
+2.1.1 Release Notes (2026-06-04)
+=============================================================
+
+### Fixed
+
+* Toned down the tapped tint color calculations from producing oversaturated colors.
+
 2.1.0 Release Notes (2026-05-27)
 =============================================================
 

TORoundedButton.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name     = 'TORoundedButton'
-  s.version  = '2.1.0'
+  s.version  = '2.1.1'
   s.license  =  { :type => 'MIT', :file => 'LICENSE' }
   s.summary  = 'A high-performance button control with rounded corners for iOS.'
   s.homepage = 'https://github.com/TimOliver/TORoundedButton'

TORoundedButton/TORoundedButton.h

@@ -117,7 +117,10 @@ IB_DESIGNABLE @interface TORoundedButton : UIControl
 /// (Defaults to off with 1.0f).
 @property (nonatomic, assign) IBInspectable CGFloat tappedTextAlpha;
 
-/// Taking the default button background color apply a brightness offset for the tapped color 
+/// The color of the button's rounded background shape. Applied to `.solid` and `.glass` styles.
+@property (nonatomic, strong, nullable) UIColor *tintColor;
+
+/// Taking the default button background color apply a brightness offset for the tapped color
 /// (Default is 0.25f. Set 0.0 for off).
 @property (nonatomic, assign) IBInspectable CGFloat tappedTintColorBrightnessOffset;
 

TORoundedButton/TORoundedButton.m

@@ -68,6 +68,10 @@ @implementation TORoundedButton {
     UIImpactFeedbackGenerator *_impactGenerator;
 }
 
+// We redlared `tintColor` in the header to make it more obvious that's how
+// you control the background color. Skip synthesizing any accessors in here.
+@dynamic tintColor;
+
 #pragma mark - View Creation -
 
 - (instancetype)init {
@@ -734,6 +738,14 @@ - (UIColor *)_brightnessAdjustedColorWithColor:(UIColor *)color amount:(CGFloat)
         brightnessAdd =  0.18f * amount;
     }
 
+    // Greys and other near-neutral colours carry a meaningless hue plus a faint
+    // undertone (e.g. systemGray leans slightly blue). Boosting their saturation
+    // amplifies that undertone into a visible tint, so scale the hue/saturation
+    // changes by how saturated the source already is — leaving brightness alone.
+    const CGFloat colorfulness = fminf(s / 0.15f, 1.0f);
+    hueShift *= colorfulness;
+    satBoost *= colorfulness;
+
     // Apply hue shift with wrapping
     CGFloat newH = h + hueShift;
     if (newH < 0.0f) { newH += 1.0f; }