| Historic Irises assigned the Color Code W4 are in the following Gallery below and those lacking images are in the list following the gallery. |
| White bicolor | W4 | ‘Alpine Meadow’ (1965) TB |
‘Amas’ (1885) TB |
‘Arc Above’ (1964) TB |
‘Brokers Tip’ (1964) TB |
| White bicolor | W4 Y | ‘Baby's Bonnet’ (1954) TB |
‘Glacier Gold’ (1961) TB |
| White bicolor | W4 OR | ‘Bright Herald’ (1961) TB |
‘Carmel Sundae’ (1961) TB |
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