To color this page, I would start by giving the woman at the center a bright, bold color like magenta to make her stand out and draw attention to the significance of the message. The other women could be dressed in a range of other bright, bold colors like blues, greens, yellows, and pinks. To add more texture, I would use shades of these colors to show more diversity. To draw the eye away from the figures, I could experiment with different patterns and textures to color the signs - like stripes, polka dots, or grids - and have them popping against the white of the paper. Finally, I would go over the outlines and details of the figures in black to make them stand out and give them a bit of extra dimension.