BasicTextField(colorFieldValue, {
            colorFieldValue = it.copy(
                annotatedString = buildAnnotatedString {
                    for (i in 0 until it.text.length step 5) {
                        withStyle(
                            style = SpanStyle(
                                color = Color(
                                    i*255 +  2.0.pow(31.0).toInt()
                                )
                            )
                        ) {
                            append(it.text.substring(i).take(5))
                        }
                    }
                }
            )
        })