The Definite Nature of Colour
695.
The existence and the relatively definite character of colour are one and the same thing. Light displays itself and the face of nature, as it were, with a general indifference, informing us as to surrounding objects perhaps devoid of interest or importance; but colour is at all times specific, characteristic, significant.
696.
Considered in a general point of view, colour is determined towards one of two sides. It thus presents a contrast which we call a polarity, and which we may fitly designate by the expressions plus and minus.
| Plus. | Minus. |
|---|---|
| Yellow. | Blue. |
| Action. | Negation.1 |
| Light. | Shadow. |
| Brightness. | Darkness. |
| Force. | Weakness. |
| Warmth. | Coldness. |
| Proximity. | Distance. |
| Repulsion | Attraction. |
| Affinity with acids. | Affinity with alkalis. |