1. 

   Natural Color System / NCS - S 5040-G30Y

   hsl(102, 0%, 0%) / cyan: 0.35, magenta: 0.00, yellow: 0.50, key: 0.66 / LRV ≈ 7.7%

2. 

   Sigma - Natural Green / S 5040-G30Y

   hsl(94, 0%, 0%) / cyan: 0.23, magenta: 0.00, yellow: 0.40, key: 0.57 / LRV ≈ 13.5%

3. 

   Natural Color System / NCS - S 5040-Y30R

   hsl(22, 1%, 0%) / cyan: 0.00, magenta: 0.46, yellow: 0.74, key: 0.47 / LRV ≈ 9.8%

4. 

   Natural Color System / NCS - S 5040-R80B

   hsl(222, 0%, 0%) / cyan: 0.65, magenta: 0.46, yellow: 0.00, key: 0.61 / LRV ≈ 3.9%

5. 

   Natural Color System / NCS - S 5040-R60B

   hsl(268, 0%, 0%) / cyan: 0.28, magenta: 0.53, yellow: 0.00, key: 0.65 / LRV ≈ 3.3%

6. 

   Natural Color System / NCS - S 5040-Y90R

   hsl(3, 0%, 0%) / cyan: 0.00, magenta: 0.61, yellow: 0.64, key: 0.59 / LRV ≈ 4.7%

7. 

   Natural Color System / NCS - S 5040-G20Y

   hsl(124, 0%, 0%) / cyan: 0.49, magenta: 0.00, yellow: 0.46, key: 0.68 / LRV ≈ 6.5%

8. 

   Natural Color System / NCS - S 5040-R10B

   hsl(353, 0%, 0%) / cyan: 0.00, magenta: 0.66, yellow: 0.58, key: 0.64 / LRV ≈ 3.3%

9. 

   Natural Color System / NCS - S 5040-B80G

   hsl(167, 1%, 0%) / cyan: 0.84, magenta: 0.00, yellow: 0.18, key: 0.70 / LRV ≈ 5.7%

10. 

    Natural Color System / NCS - S 5040-Y80R

    hsl(6, 0%, 0%) / cyan: 0.00, magenta: 0.60, yellow: 0.66, key: 0.56 / LRV ≈ 5.5%