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-G10Y

   hsl(138, 0%, 0%) / cyan: 0.46, magenta: 0.00, yellow: 0.33, key: 0.63 / LRV ≈ 9.3%

4. 

   Natural Color System / NCS - S 5030-Y30R

   hsl(24, 0%, 0%) / cyan: 0.00, magenta: 0.39, yellow: 0.66, key: 0.47 / LRV ≈ 11.4%

5. 

   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%

6. 

   Natural Color System / NCS - S 5030-R20B

   hsl(346, 0%, 0%) / cyan: 0.00, magenta: 0.55, yellow: 0.42, key: 0.56 / LRV ≈ 6.0%

7. 

   Natural Color System / NCS - S 5030-G50Y

   hsl(67, 0%, 0%) / cyan: 0.05, magenta: 0.00, yellow: 0.45, key: 0.63 / LRV ≈ 10.6%

8. 

   Natural Color System / NCS - S 5030-B70G

   hsl(170, 0%, 0%) / cyan: 0.64, magenta: 0.00, yellow: 0.11, key: 0.64 / LRV ≈ 8.4%

9. 

   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%

10. 

    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%