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-Y20R

   hsl(30, 1%, 1%) / cyan: 0.00, magenta: 0.36, yellow: 0.72, key: 0.04 / LRV ≈ 43.4%

4. 

   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%

5. 

   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%

6. 

   Natural Color System / NCS - S 2040-G60Y

   hsl(64, 0%, 1%) / cyan: 0.04, magenta: 0.00, yellow: 0.56, key: 0.30 / LRV ≈ 41.6%

7. 

   Natural Color System / NCS - S 2040-R

   hsl(0, 1%, 1%) / cyan: 0.00, magenta: 0.54, yellow: 0.54, key: 0.12 / LRV ≈ 26.9%

8. 

   Natural Color System / NCS - S 2040-G40Y

   hsl(79, 0%, 0%) / cyan: 0.16, magenta: 0.00, yellow: 0.52, key: 0.33 / LRV ≈ 36.1%

9. 

   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%

10. 

    Natural Color System / NCS - S 2040-G90Y

    hsl(46, 1%, 1%) / cyan: 0.00, magenta: 0.15, yellow: 0.66, key: 0.17 / LRV ≈ 47.1%