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-G30Y

   hsl(99, 0%, 1%) / cyan: 0.30, magenta: 0.00, yellow: 0.47, key: 0.32 / LRV ≈ 34.7%

4. 

   Natural Color System / NCS - S 2040-G50Y

   hsl(71, 0%, 1%) / cyan: 0.10, magenta: 0.00, yellow: 0.54, key: 0.31 / LRV ≈ 38.4%

5. 

   Natural Color System / NCS - S 2040-Y10R

   hsl(35, 1%, 1%) / cyan: 0.00, magenta: 0.29, yellow: 0.69, key: 0.09 / LRV ≈ 44.5%

6. 

   Natural Color System / NCS - S 2040-Y70R

   hsl(12, 1%, 1%) / cyan: 0.00, magenta: 0.52, yellow: 0.65, key: 0.08 / LRV ≈ 29.9%

7. 

   Natural Color System / NCS - S 2040-R30B

   hsl(338, 1%, 1%) / cyan: 0.00, magenta: 0.50, yellow: 0.32, key: 0.19 / LRV ≈ 24.7%

8. 

   Natural Color System / NCS - S 2040-G

   hsl(149, 0%, 0%) / cyan: 0.55, magenta: 0.00, yellow: 0.28, key: 0.33 / LRV ≈ 31.7%

9. 

   Natural Color System / NCS - S 2040-B90G

   hsl(159, 0%, 0%) / cyan: 0.62, magenta: 0.00, yellow: 0.21, key: 0.33 / LRV ≈ 31.6%

10. 

    Natural Color System / NCS - S 2040-B

    hsl(202, 0%, 1%) / cyan: 0.59, magenta: 0.22, yellow: 0.00, key: 0.27 / LRV ≈ 25.6%