"I think contrasting," she says, nodding. "Little pop." She flicks her fingers from a ball shape outward, miming a smll explosion. "I've got a lot of green, is the thing. I can spread it round the flat, but it's still mostly greens."

She likes it, genuinely: it makes her feel like she's outside, sometimes, and the plants are good for the air in the flat, anyway. But it is a bit monochromatic at this point, and the coleus and a few other colorful foliage might help.