Stimulating only M cones revealed the color olo, whose name refers to coordinates on a 3D map of color — "0, 1, 0." The "o" is a zero, referencing the lack of stimulation of L and S cones ...

Sunny with a high of 61 °F (16.1 °C). Winds NW at 8 mph (12.9 kph). Night - Partly cloudy with a 47% chance of precipitation. Winds variable at 3 to 7 mph (4.8 to 11.3 kph). The overnight low wi ...

The "medium-contrast" scheme has three color pairs that can work in greyscale, but not as well as the high-contrast scheme: The bright, high-contrast, vibrant, muted and medium-contrast schemes work ...