Official mchb is here (very confusing hard to use )
https://data.hrsa.gov/maps/mchb
Re-design by me using same dataset
model 1: mchb(data)
https://transparentgov.net/json2tree/datahub.io/hrsa2/mchb_data.html?backgroundlayerurl=https%3A%2F%2Fgisportal.hrsa.gov%2Fserver%2Frest%2Fservices%2FMCHB%2FMCHB_MAP_MULTI_SEARCH_EXTERNAL%2FMapServer%2F0&layer=MULTI+CRITERIA+SEARCH+EXTERNAL&_center_lat=38.61653342513489&_center_long=-102.76521861348937&_center_zoom=6&panto=0&symbolType=BIRTH_RATE&dynamicLabelField=BIRTH_RATE&strokeColor=rgba%28255%2C+255%2C+0%2C+0.48%29&fillColor=rgba%28255%2C+76%2C+36%2C+0.8%29&colorScale=colorScale_green&quantityFieldName=BIRTH_RATE
model 0: mchb_0(data)
https://transparentgov.net/json2tree/datahub.io/hrsa2/mchb_data0.html?backgroundlayerurl=https%3A%2F%2Fgisportal.hrsa.gov%2Fserver%2Frest%2Fservices%2FMCHB%2FMCHB_MAP_MULTI_SEARCH_EXTERNAL%2FMapServer%2F0&layer=MULTI+CRITERIA+SEARCH+EXTERNAL&_center_lat=38.61653342513489&_center_long=-102.76521861348937&_center_zoom=6&panto=0&symbolType=birth_rate_quantile&dynamicLabelField=BIRTH_RATE&strokeColor=rgba%28255%2C+255%2C+0%2C+0.48%29&fillColor=rgba%28255%2C+76%2C+36%2C+0.8%29
model 2: mchb_0(data)
https://transparentgov.net/json2tree/datahub.io/hrsa2/mchb_data2.html?backgroundlayerurl=https%3A%2F%2Fgisportal.hrsa.gov%2Fserver%2Frest%2Fservices%2FMCHB%2FMCHB_MAP_MULTI_SEARCH_EXTERNAL%2FMapServer%2F0&layer=MULTI+CRITERIA+SEARCH+EXTERNAL&_center_lat=38.61653342513489&_center_long=-102.76521861348937&_center_zoom=6&panto=0&symbolType=quantity&dynamicLabelField=BIRTH_RATE&strokeColor=rgba%28255%2C+255%2C+0%2C+0.48%29&fillColor=rgba%28255%2C+76%2C+36%2C+0.8%29&colorScale=colorScale_green&quantityFieldName=BIRTH_RATE
model 3: mchb (imaging)
https://transparentgov.net/json2tree/datahub.io/hrsa2/mchb_image.html?backgroundlayerurl=https%3A%2F%2Fgisportal.hrsa.gov%2Fserver%2Frest%2Fservices%2FMCHB%2FMCHB_MAP_MULTI_SEARCH_EXTERNAL%2FMapServer%2F0&layer=MULTI+CRITERIA+SEARCH+EXTERNAL&_center_lat=38.61653342513489&_center_long=-102.76521861348937&_center_zoom=6&panto=0&symbolType=BIRTH_RATE&dynamicLabelField=BIRTH_RATE&strokeColor=rgba%28255%2C+255%2C+0%2C+0.48%29&fillColor=rgba%28255%2C+76%2C+36%2C+0.8%29
model 4: mchb_0 (imaging)
https://transparentgov.net/json2tree/datahub.io/hrsa2/mchb_image0.html?backgroundlayerurl=https%3A%2F%2Fgisportal.hrsa.gov%2Fserver%2Frest%2Fservices%2FMCHB%2FMCHB_MAP_MULTI_SEARCH_EXTERNAL%2FMapServer%2F0&layer=MULTI+CRITERIA+SEARCH+EXTERNAL&_center_lat=38.61653342513489&_center_long=-102.76521861348937&_center_zoom=6&panto=0&symbolType=Breastfeeding_Initiation_natural_break&dynamicLabelField=BF_SMTH&strokeColor=rgba%28255%2C+255%2C+0%2C+0.48%29&fillColor=rgba%28255%2C+76%2C+36%2C+0.8%29
model 5: mchb_2 (imaging)
https://transparentgov.net/json2tree/datahub.io/hrsa2/mchb_image2.html?backgroundlayerurl=https%3A%2F%2Fgisportal.hrsa.gov%2Fserver%2Frest%2Fservices%2FMCHB%2FMCHB_MAP_MULTI_SEARCH_EXTERNAL%2FMapServer%2F0&layer=MULTI+CRITERIA+SEARCH+EXTERNAL&_center_lat=38.61653342513489&_center_long=-102.76521861348937&_center_zoom=6&panto=0&symbolType=quantity&dynamicLabelField=BF_SMTH&strokeColor=rgba%28255%2C+255%2C+0%2C+0.48%29&fillColor=rgba%28255%2C+76%2C+36%2C+0.8%29&colorScale=colorScale_slateblue&quantityFieldName=BIRTHS
Why the official one is hard to use click here:
https://transparentgov.net/cleargov1/1358/how-to-avoid-hrsa-mchb-insane-disaster-1
https://transparentgov.net/cleargov1/1359/how-to-avoid-hrsa-mchb-insane-disaster-2
Web map color is based on following ArcPro color
birth rate