1. 

   Natural Color System / NCS - S 3040-R90B

   hsl(211, 0%, 0%) / cyan: 0.60, magenta: 0.31, yellow: 0.00, key: 0.36 / LRV ≈ 15.3%

2. 

   Sigma - Cool Blue / S 3040-R90B

   hsl(204, 0%, 1%) / cyan: 0.50, magenta: 0.20, yellow: 0.00, key: 0.29 / LRV ≈ 25.9%

3. 

   Natural Color System / NCS - S 3040-G50Y

   hsl(70, 0%, 0%) / cyan: 0.09, magenta: 0.00, yellow: 0.55, key: 0.43 / LRV ≈ 25.5%

4. 

   Natural Color System / NCS - S 3040-Y90R

   hsl(4, 0%, 1%) / cyan: 0.00, magenta: 0.56, yellow: 0.61, key: 0.27 / LRV ≈ 16.8%

5. 

   Natural Color System / NCS - S 3040-Y70R

   hsl(12, 1%, 1%) / cyan: 0.00, magenta: 0.53, yellow: 0.66, key: 0.24 / LRV ≈ 19.5%

6. 

   Natural Color System / NCS - S 3040-B60G

   hsl(174, 1%, 0%) / cyan: 0.75, magenta: 0.00, yellow: 0.07, key: 0.46 / LRV ≈ 20.1%

7. 

   Natural Color System / NCS - S 3040-R10B

   hsl(354, 0%, 0%) / cyan: 0.00, magenta: 0.56, yellow: 0.51, key: 0.32 / LRV ≈ 14.8%

8. 

   Natural Color System / NCS - S 3040-G70Y

   hsl(57, 0%, 0%) / cyan: 0.00, magenta: 0.03, yellow: 0.58, key: 0.42 / LRV ≈ 26.6%

9. 

   Natural Color System / NCS - S 3040-G30Y

   hsl(99, 0%, 0%) / cyan: 0.31, magenta: 0.00, yellow: 0.48, key: 0.45 / LRV ≈ 22.1%

10. 

    Natural Color System / NCS - S 3040-R40B

    hsl(323, 0%, 0%) / cyan: 0.00, magenta: 0.49, yellow: 0.19, key: 0.39 / LRV ≈ 14.3%