1. 

   Natural Color System / NCS - S 5030-Y20R

   hsl(28, 0%, 0%) / cyan: 0.00, magenta: 0.36, yellow: 0.66, key: 0.47 / LRV ≈ 11.9%

2. 

   Sigma - Yellow Ocre / S 5030-Y20R

   hsl(33, 0%, 0%) / cyan: 0.00, magenta: 0.23, yellow: 0.52, key: 0.43 / LRV ≈ 18.1%

3. 

   Natural Color System / NCS - S 5030-R

   hsl(359, 0%, 0%) / cyan: 0.00, magenta: 0.54, yellow: 0.53, key: 0.55 / LRV ≈ 6.5%

4. 

   Natural Color System / NCS - S 5030-B50G

   hsl(177, 0%, 0%) / cyan: 0.61, magenta: 0.00, yellow: 0.03, key: 0.64 / LRV ≈ 8.7%

5. 

   Natural Color System / NCS - S 5030-R90B

   hsl(213, 0%, 0%) / cyan: 0.54, magenta: 0.30, yellow: 0.00, key: 0.58 / LRV ≈ 6.9%

6. 

   Natural Color System / NCS - S 5030-R40B

   hsl(325, 0%, 0%) / cyan: 0.00, magenta: 0.44, yellow: 0.18, key: 0.61 / LRV ≈ 6.1%

7. 

   Natural Color System / NCS - S 5030-Y70R

   hsl(11, 0%, 0%) / cyan: 0.00, magenta: 0.50, yellow: 0.61, key: 0.47 / LRV ≈ 9.3%

8. 

   Natural Color System / NCS - S 5030-R70B

   hsl(240, 0%, 0%) / cyan: 0.36, magenta: 0.36, yellow: 0.00, key: 0.57 / LRV ≈ 6.8%

9. 

   Natural Color System / NCS - S 5030-Y80R

   hsl(8, 0%, 0%) / cyan: 0.00, magenta: 0.51, yellow: 0.59, key: 0.51 / LRV ≈ 8.1%

10. 

    Natural Color System / NCS - S 5030-Y40R

    hsl(21, 0%, 0%) / cyan: 0.00, magenta: 0.43, yellow: 0.66, key: 0.47 / LRV ≈ 10.4%