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S 4020-R90B
Hue, Tone and Blackness
The NCS Color defines a color in the chromatic range using its similarities with two or more of the six elementary colors (yellow, red, blue, green, white, and black).
In the NCS color S 4020-R90B, the first four digits (4020) represent the hue of the color. We could define the hue as the percentage of blackness (40) and of the chromaticity (20). From the maximum, which is 100, in this case there would be a 40% que representa la whiteness of the color.
The tone is given by the last part of the NCS color syntax, in this case R90B. This indicates that the color has a mixture formed by a 10% of rojo and a 90% of azul.
NCS Color Details
| Hue | Blackness | Chromaticity | Whiteness | Tone |
| 4020 | 40% | 20 | 40% | 10% of rojo 90% of azul |
