1. 

   Natural Color System / NCS - S 6020-Y20R

   hsl(30, 0%, 0%) / cyan: 0.00, magenta: 0.26, yellow: 0.52, key: 0.53 / LRV ≈ 11.4%

2. 

   Sigma - Yellow Ocre / S 6020-Y20R

   hsl(34, 0%, 0%) / cyan: 0.00, magenta: 0.19, yellow: 0.43, key: 0.52 / LRV ≈ 13.5%

3. 

   Natural Color System / NCS - S 6020-Y

   hsl(36, 0%, 0%) / cyan: 0.00, magenta: 0.19, yellow: 0.47, key: 0.53 / LRV ≈ 12.9%

4. 

   Natural Color System / NCS - S 6020-R20B

   hsl(343, 0%, 0%) / cyan: 0.00, magenta: 0.40, yellow: 0.29, key: 0.59 / LRV ≈ 6.9%

5. 

   Natural Color System / NCS - S 6020-R50B

   hsl(293, 0%, 0%) / cyan: 0.03, magenta: 0.27, yellow: 0.00, key: 0.62 / LRV ≈ 7.6%

6. 

   Natural Color System / NCS - S 6020-B10G

   hsl(198, 0%, 0%) / cyan: 0.51, magenta: 0.16, yellow: 0.00, key: 0.60 / LRV ≈ 8.5%

7. 

   Natural Color System / NCS - S 6020-Y90R

   hsl(3, 0%, 0%) / cyan: 0.00, magenta: 0.35, yellow: 0.37, key: 0.54 / LRV ≈ 9.4%

8. 

   Natural Color System / NCS - S 6020-G70Y

   hsl(54, 0%, 0%) / cyan: 0.00, magenta: 0.04, yellow: 0.38, key: 0.59 / LRV ≈ 12.4%

9. 

   Natural Color System / NCS - S 6020-Y30R

   hsl(27, 0%, 0%) / cyan: 0.00, magenta: 0.28, yellow: 0.51, key: 0.53 / LRV ≈ 11.2%

10. 

    Natural Color System / NCS - S 6020-B30G

    hsl(187, 0%, 0%) / cyan: 0.44, magenta: 0.05, yellow: 0.00, key: 0.61 / LRV ≈ 9.7%