1. 

   Natural Color System / NCS - S 2040-R80B

   hsl(220, 0%, 1%) / cyan: 0.47, magenta: 0.31, yellow: 0.00, key: 0.24 / LRV ≈ 23.9%

2. 

   Sigma - Cool Blue / S 2040-R80B

   hsl(212, 0%, 1%) / cyan: 0.40, magenta: 0.21, yellow: 0.00, key: 0.18 / LRV ≈ 35.9%

3. 

   Natural Color System / NCS - S 2040-R60B

   hsl(266, 0%, 1%) / cyan: 0.20, magenta: 0.36, yellow: 0.00, key: 0.26 / LRV ≈ 23.8%

4. 

   Natural Color System / NCS - S 2040-R50B

   hsl(298, 0%, 1%) / cyan: 0.01, magenta: 0.36, yellow: 0.00, key: 0.32 / LRV ≈ 22.8%

5. 

   Natural Color System / NCS - S 2040-G70Y

   hsl(58, 0%, 1%) / cyan: 0.00, magenta: 0.02, yellow: 0.60, key: 0.28 / LRV ≈ 42.8%

6. 

   Natural Color System / NCS - S 2040-Y90R

   hsl(5, 1%, 1%) / cyan: 0.00, magenta: 0.54, yellow: 0.58, key: 0.11 / LRV ≈ 27.7%

7. 

   Natural Color System / NCS - S 2040-B20G

   hsl(189, 1%, 0%) / cyan: 0.67, magenta: 0.10, yellow: 0.00, key: 0.31 / LRV ≈ 28.4%

8. 

   Natural Color System / NCS - S 2040-B60G

   hsl(173, 1%, 0%) / cyan: 0.69, magenta: 0.00, yellow: 0.08, key: 0.33 / LRV ≈ 32.3%

9. 

   Natural Color System / NCS - S 2040-R20B

   hsl(347, 1%, 1%) / cyan: 0.00, magenta: 0.53, yellow: 0.42, key: 0.16 / LRV ≈ 25.1%

10. 

    Natural Color System / NCS - S 2040-B40G

    hsl(181, 0%, 0%) / cyan: 0.66, magenta: 0.01, yellow: 0.00, key: 0.35 / LRV ≈ 30.2%