The phrase "almost coloured" is correct and usable in written English.
It can be used to describe something that is nearly or partially colored, often in a context where color is being discussed or compared.
Example: "The sky was almost coloured with shades of pink and orange as the sun began to set."
Alternatives: "nearly colored" or "partially colored".
Rihanna wore a sexy, almost flesh coloured dress, with a purple fringe, while the venue was with ice sculptures, including one with an 'R' on it.
And tumbling, dancing, down the steep side of the mountain, are old gnarled birch trees, with younger ones gathering more thickly on the flat land beside Loch Hope; their bark is like the moon – silver, patterned with blackness – and their fuzz of fine naked branches almost maroon coloured.
He stared transfixed, head high, pink nostrils flared, as the feral ponies flickered into view, their dark brown coats almost plum-coloured next to the dun moorland.
Brand new leaves are an almost bile-coloured greeny yellow.
It's not hard to see why, with more than 50 beaches lapped by an almost Caribbean-coloured sea, plus a lushly green backdrop inland.
Most striking is the intense saturation of green, with almost fluorescent-coloured moss adorning the cliff walls.
Vegetation on the mostly exposed soil of the puna consists of dwarf shrubs and tough grasses, notably bunchgrass; these and other plants in the region are coloured almost as brown as the ground itself.
He first made clear glass, lightly tinted and decorated with enamel and engraving, but he soon developed the use of deeply coloured, almost opaque glasses in heavy masses, often layered in several thicknesses and carved or etched to form plant motifs.
Brauner illustrated Char's "Quatre fascinants" with a series of brightly coloured, almost childlike, human and animal forms reminiscent of Aztec and American Indian designs (see picture on) in 1950, the same year that he completed his seminal painting, "La poule mange mamaman".
Similarly, desert animals are almost all desert coloured in tones of sand, buff, ochre, and brownish grey, whether they are mammals like the gerbil or fennec fox, birds such as the desert lark or sandgrouse, or reptiles like the skink or horned viper.
