1. 

   Natural Color System / NCS - S 1040-B80G

   hsl(167, 0%, 1%) / cyan: 0.46, magenta: 0.00, yellow: 0.10, key: 0.19 / LRV ≈ 51.7%

2. 

   Sigma - Natural Green / S 1040-B80G

   hsl(162, 1%, 1%) / cyan: 0.36, magenta: 0.00, yellow: 0.11, key: 0.13 / LRV ≈ 61.4%

3. 

   Natural Color System / NCS - S 3050-B80G

   hsl(173, 1%, 0%) / cyan: 1.00, magenta: 0.00, yellow: 0.12, key: 0.46 / LRV ≈ 19.3%

4. 

   Natural Color System / NCS - S 8505-B80G

   hsl(160, 0%, 0%) / cyan: 0.21, magenta: 0.00, yellow: 0.07, key: 0.83 / LRV ≈ 2.2%

5. 

   Natural Color System / NCS - S 4050-B80G

   hsl(170, 1%, 0%) / cyan: 1.00, magenta: 0.00, yellow: 0.17, key: 0.57 / LRV ≈ 11.7%

6. 

   Natural Color System / NCS - S 5005-B80G

   hsl(173, 0%, 1%) / cyan: 0.07, magenta: 0.00, yellow: 0.01, key: 0.48 / LRV ≈ 22.7%

7. 

   Natural Color System / NCS - S 0507-B80G

   hsl(148, 0%, 1%) / cyan: 0.05, magenta: 0.00, yellow: 0.03, key: 0.07 / LRV ≈ 82.9%

8. 

   Natural Color System / NCS - S 2040-B80G

   hsl(169, 0%, 0%) / cyan: 0.57, magenta: 0.00, yellow: 0.10, key: 0.31 / LRV ≈ 35.0%

9. 

   Natural Color System / NCS - S 4040-B80G

   hsl(171, 1%, 0%) / cyan: 1.00, magenta: 0.00, yellow: 0.15, key: 0.52 / LRV ≈ 14.9%

10. 

    Natural Color System / NCS - S 2050-B80G

    hsl(172, 1%, 0%) / cyan: 1.00, magenta: 0.00, yellow: 0.14, key: 0.34 / LRV ≈ 30.0%