Here are the official brand colors from Walmart. These colors were sourced from the offical Walmart Brand Guidelines. The most up-to-date brand guidelines for Walmart can be found at their branding website, Walmart Brand Center.

#007dc6
Walmart Medium Blue
Hex: #007dc6
RGB: 0, 125, 198

#78b9e7
Walmart Light Blue
Hex: #78b9e7
RGB: 120, 185, 231

#76c043
Walmart Fresh Product Light Green
Hex: #76c043
RGB: 118, 192, 67

#367c2b
Walmart Fresh Product Dark Green
Hex: #367c2b
RGB: 54, 124, 43

#ffc220
Walmart Yellow
Hex: #ffc220
RGB: 255, 194, 32

#f47321
Walmart Orange
Hex: #f47321
RGB: 244, 115, 33

#004c91
Walmart Dark Blue
Hex: #004c91
RGB: 0, 76, 145