This is a modification of the 💪 Flexed Biceps emoji with applied 🏼 Medium-Light Skin Tone, which is displayed as a Light Olive, Cream White or Beige skin tone on platforms that support skin tone modifier.
Copy and paste this 💪🏼 emoji:
💪🏼Feats of Strength
💪🏼Flexing Arm Muscles
How emoji looks on Apple Iphone, Android and other platforms