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 1005-B80G

   hsl(160, 0%, 1%) / cyan: 0.04, magenta: 0.00, yellow: 0.01, key: 0.13 / LRV ≈ 71.5%

4. 

   Natural Color System / NCS - S 6005-B80G

   hsl(160, 0%, 0%) / cyan: 0.08, magenta: 0.00, yellow: 0.03, key: 0.56 / LRV ≈ 15.3%

5. 

   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%

6. 

   Natural Color System / NCS - S 1510-B80G

   hsl(160, 0%, 1%) / cyan: 0.10, magenta: 0.00, yellow: 0.03, key: 0.19 / LRV ≈ 58.6%

7. 

   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%

8. 

   Natural Color System / NCS - S 0515-B80G

   hsl(160, 0%, 1%) / cyan: 0.14, magenta: 0.00, yellow: 0.05, key: 0.08 / LRV ≈ 76.6%

9. 

   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%

10. 

    Natural Color System / NCS - S 5040-B80G

    hsl(172, 1%, 0%) / cyan: 0.99, magenta: 0.00, yellow: 0.14, key: 0.64 / LRV ≈ 8.4%