How to use the @pluralsight/ps-design-system-core.colors.bone function in @pluralsight/ps-design-system-core

import { names as themeNames } from '@pluralsight/ps-design-system-theme'

import * as vars from '../vars/index.js'

export default {
  '.psds-text-input': {
    display: 'inline-block'
  },
  '.psds-text-input--disabled': {
    opacity: 0.5
  },

  // __field
  '.psds-text-input__field': {
    alignItems: 'center',
    background: colors.bone,
    borderRadius: '2px',
    color: colors.gray03,
    display: 'flex',
    fontWeight: type.fontWeightBook,
    height: '40px',
    minWidth: '192px',
    padding: `${layout.spacingXSmall} ${layout.spacingMedium}`,
    position: 'relative',
    width: '100%'
  },
  '.psds-text-input__field.psds-text-input--small': {
    height: '32px',
    padding: `6px ${layout.spacingXSmall}`
  },
  '.psds-text-input__field--w-after': {
    paddingRight: 0

color: colors.gray03
  },
  [`.psds-text-input__icon.psds-theme--${themeNames.light}`]: {
    color: colors.gray02
  },
  [`.psds-text-input__icon--icon-align-${vars.iconAligns.right}`]: {
    left: 'auto',
    right: layout.spacingXSmall
  },
  [`.psds-text-input__icon--appearance-${vars.appearances.subtle}`]: {
    color: colors.gray02
  },

  // __label
  '.psds-text-input__label': {
    color: colors.bone,
    fontSize: type.fontSizeSmall,
    lineHeight: '16px',
    fontWeight: type.fontWeightMedium,
    paddingBottom: layout.spacingXSmall
  },
  [`.psds-text-input__label.psds-theme--${themeNames.light}`]: {
    color: colors.gray05
  },

  // __sub-label
  '.psds-text-input__sub-label': {
    color: colors.gray02,
    fontSize: type.fontSizeXSmall,
    lineHeight: '16px',
    fontWeight: type.fontWeightMedium,
    paddingTop: layout.spacingXSmall

},
  [`.psds-date-picker__sub-field-divider--appearance-${vars.appearances.subtle}`]: {
    color: colors.gray01
  },

  // __field-container
  '.psds-date-picker__field-container': {
    position: 'relative',
    display: 'flex',
    borderRadius: '2px',
    alignItems: 'center',
    width: '100%',
    height: '40px',
    minWidth: `calc(192px + ${iconWidths.medium} + ${layout.spacingXSmall})`,
    padding: `0 calc(${layout.spacingXSmall} + ${iconWidths.medium} + ${layout.spacingXSmall}) 0 ${layout.spacingMedium}`,
    background: colors.bone
  },
  [`.psds-date-picker__field-container.psds-theme--${themeNames.light}`]: {
    background: colors.white,
    border: `1px solid ${colors.gray02}`
  },
  [`.psds-date-picker__field-container--appearance-${vars.appearances.subtle}`]: {
    color: colors.gray01,
    background: colors.gray06,
    border: `1px solid ${colors.gray03}`
  },

  // __icon
  '.psds-date-picker__icon': {
    position: 'absolute',
    top: '0',
    left: 'auto',

height: '100%',
    color: colors.gray03,
    cursor: 'pointer',
    background: 'none',
    border: 'none'
  },
  [`.psds-date-picker__icon.psds-theme--${themeNames.light}`]: {
    color: colors.gray02
  },
  [`.psds-date-picker__icon--appearance-${vars.appearances.subtle}`]: {
    color: colors.gray02
  },

  // __label
  '.psds-date-picker__label': {
    color: colors.bone,
    fontSize: type.fontSizeSmall,
    lineHeight: '16px',
    fontWeight: type.fontWeightMedium,
    paddingBottom: layout.spacingXSmall
  },
  [`.psds-date-picker__label.psds-theme--${themeNames.light}`]: {
    color: colors.gray05
  },

  // __sub-label
  '.psds-date-picker__sub-label': {
    color: colors.gray02,
    fontSize: type.fontSizeXSmall,
    lineHeight: '16px',
    fontWeight: type.fontWeightMedium,
    paddingTop: layout.spacingXSmall

export default {
  '.psds-text-area': {
    display: 'inline-block',
    width: '100%',
    maxWidth: '496px'
  },
  '.psds-text-area--disabled': {
    opacity: 0.5
  },

  '.psds-text-area__field': {
    position: 'relative',
    minHeight: '104px',
    width: '100%',
    borderRadius: '2px',
    background: colors.bone,
    fontSize: type.fontSizeSmall,
    lineHeight: type.lineHeightStandard,
    fontWeight: type.fontWeightBook,
    color: colors.gray03,
    padding: `${layout.spacingXSmall} ${layout.spacingMedium}`,
    border: 'none'
  },
  '.psds-text-area__field:focus': {
    outline: 'none'
  },
  [`.psds-text-area__field.psds-theme--${themeNames.light}:focus`]: {
    border: '1px solid transparent'
  },
  [`.psds-text-area__field--error.psds-theme--${themeNames.light}`]: {
    border: '1px solid transparent'
  },

border: '1px solid transparent'
  },
  [`.psds-text-area__field.psds-theme--${themeNames.light}`]: {
    background: colors.white,
    border: `1px solid ${colors.gray02}`
  },

  '.psds-text-area__field-container': {
    position: 'relative',
    display: 'flex',
    alignItems: 'center'
  },

  '.psds-text-area__label': {
    width: '100%',
    color: colors.bone,
    fontSize: type.fontSizeSmall,
    lineHeight: '16px',
    fontWeight: type.fontWeightMedium,
    paddingBottom: layout.spacingXSmall
  },
  [`.psds-text-area__label.psds-theme--${themeNames.light}`]: {
    color: colors.gray05
  },

  '.psds-text-area__sub-label': {
    color: colors.gray02,
    fontSize: type.fontSizeXSmall,
    lineHeight: '16px',
    fontWeight: type.fontWeightMedium,
    paddingTop: layout.spacingXSmall
  },