1. 

   Natural Color System / NCS - S 5040-G30Y

   hsl(100, 0%, 0%) / cyan: 0.33, magenta: 0.00, yellow: 0.50, key: 0.60 / LRV ≈ 11.2%

2. 

   Sigma - Natural Green / S 5040-G30Y

   hsl(94, 0%, 0%) / cyan: 0.23, magenta: 0.00, yellow: 0.40, key: 0.57 / LRV ≈ 13.5%

3. 

   Natural Color System / NCS - S 5040-Y60R

   hsl(17, 1%, 0%) / cyan: 0.00, magenta: 0.50, yellow: 0.69, key: 0.48 / LRV ≈ 9.2%

4. 

   Natural Color System / NCS - S 5040-Y80R

   hsl(7, 0%, 0%) / cyan: 0.00, magenta: 0.58, yellow: 0.66, key: 0.51 / LRV ≈ 7.0%

5. 

   Natural Color System / NCS - S 5040-B70G

   hsl(174, 1%, 0%) / cyan: 1.00, magenta: 0.00, yellow: 0.10, key: 0.64 / LRV ≈ 8.1%

6. 

   Natural Color System / NCS - S 5040-Y90R

   hsl(2, 0%, 0%) / cyan: 0.00, magenta: 0.61, yellow: 0.63, key: 0.55 / LRV ≈ 5.7%

7. 

   Natural Color System / NCS - S 5040-R60B

   hsl(265, 0%, 0%) / cyan: 0.33, magenta: 0.56, yellow: 0.00, key: 0.60 / LRV ≈ 4.1%

8. 

   Natural Color System / NCS - S 5040-R40B

   hsl(317, 0%, 0%) / cyan: 0.00, magenta: 0.64, yellow: 0.18, key: 0.63 / LRV ≈ 4.1%

9. 

   Natural Color System / NCS - S 5040-G90Y

   hsl(46, 1%, 0%) / cyan: 0.00, magenta: 0.17, yellow: 0.72, key: 0.52 / LRV ≈ 13.6%

10. 

    Natural Color System / NCS - S 5040-G70Y

    hsl(57, 0%, 0%) / cyan: 0.00, magenta: 0.03, yellow: 0.64, key: 0.57 / LRV ≈ 13.7%