1. 

   Natural Color System / NCS - S 1020-G40Y

   hsl(81, 0%, 1%) / cyan: 0.07, magenta: 0.00, yellow: 0.20, key: 0.16 / LRV ≈ 63.2%

2. 

   Sigma - Natural Green / S 1020-G40Y

   hsl(78, 0%, 1%) / cyan: 0.06, magenta: 0.00, yellow: 0.19, key: 0.12 / LRV ≈ 71.2%

3. 

   Natural Color System / NCS - S 3065-G40Y

   hsl(79, 1%, 0%) / cyan: 0.26, magenta: 0.00, yellow: 0.81, key: 0.49 / LRV ≈ 18.3%

4. 

   Natural Color System / NCS - S 3560-G40Y

   hsl(81, 1%, 0%) / cyan: 0.24, magenta: 0.00, yellow: 0.70, key: 0.52 / LRV ≈ 16.6%

5. 

   Natural Color System / NCS - S 0520-G40Y

   hsl(77, 1%, 1%) / cyan: 0.06, magenta: 0.00, yellow: 0.21, key: 0.08 / LRV ≈ 78.3%

6. 

   Natural Color System / NCS - S 2020-G40Y

   hsl(79, 0%, 1%) / cyan: 0.06, magenta: 0.00, yellow: 0.20, key: 0.26 / LRV ≈ 48.0%

7. 

   Natural Color System / NCS - S 4050-G40Y

   hsl(81, 0%, 0%) / cyan: 0.22, magenta: 0.00, yellow: 0.66, key: 0.53 / LRV ≈ 15.9%

8. 

   Natural Color System / NCS - S 3040-G40Y

   hsl(80, 0%, 0%) / cyan: 0.14, magenta: 0.00, yellow: 0.42, key: 0.39 / LRV ≈ 29.2%

9. 

   Natural Color System / NCS - S 1015-G40Y

   hsl(78, 0%, 1%) / cyan: 0.05, magenta: 0.00, yellow: 0.16, key: 0.14 / LRV ≈ 67.7%

10. 

    Natural Color System / NCS - S 2030-G40Y

    hsl(79, 0%, 1%) / cyan: 0.09, magenta: 0.00, yellow: 0.30, key: 0.29 / LRV ≈ 43.0%