{"datasetVersion":"1.0.0","slug":"shale-vs-storm-blue","type":"nearest","name":"Shale vs Storm Blue","verdict":"Shale and Storm Blue are very close colors. Shale is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.02:1, so the pair is too low for text and better treated as a palette relationship.","summary":"Shale and Storm Blue are different blue and cyan colors with HEX values #59656F and #4F666A. According to Colors Encyclopedia, their RGB distance is 11.2, their contrast ratio is 1.02:1, and the comparison helps choose between tone, temperature, and accessibility behavior.","rgbDistance":11.2,"contrastRatio":1.02,"colors":[{"slug":"shale","name":"Shale","hex":"#59656F","rgb":[89,101,111],"hsl":[207,11,39],"cmyk":[20,9,0,56],"family":"blue","temperature":"cool","tone":["muted"],"luminance":0.1258,"contrast":{"black":3.52,"white":5.97},"wcag":{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]},"bestText":{"text":"#FFFFFF","label":"white text","ratio":5.97},"description":"Shale is #59656F, a cool blue color with muted character. Compared with Storm Blue, it is lighter and less saturated. Use it for earth-tone palettes, interior design, and material-inspired branding, with white text as the safer foreground option.","url":"https://www.colorsencyclopedia.com/colors/shale/","apiUrl":"https://www.colorsencyclopedia.com/api/colors/shale.json"},{"slug":"storm-blue","name":"Storm Blue","hex":"#4F666A","rgb":[79,102,106],"hsl":[189,15,36],"cmyk":[25,4,0,58],"family":"cyan","temperature":"cool","tone":["muted"],"luminance":0.1221,"contrast":{"black":3.44,"white":6.1},"wcag":{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]},"bestText":{"text":"#FFFFFF","label":"white text","ratio":6.1},"description":"Storm Blue is #4F666A, a cool cyan color with muted character. Compared with Shale, it is darker and more saturated. Use it for interfaces, brand systems, and technical design, with white text as the safer foreground option.","url":"https://www.colorsencyclopedia.com/colors/storm-blue/","apiUrl":"https://www.colorsencyclopedia.com/api/colors/storm-blue.json"}],"differences":{"rgbDistance":11.2,"contrastRatio":1.02,"hslDelta":{"hue":18,"saturation":4,"lightness":3},"luminanceDelta":0.0037,"sameFamily":false,"sameTemperature":true,"sharedTones":["muted"],"lighterColor":"Shale","moreSaturatedColor":"Storm Blue"},"accessibility":{"pairContrastRatio":1.02,"textRecommendation":"Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.","safeText":[{"color":"Shale","background":"#59656F","foreground":"#FFFFFF","label":"white text","ratio":5.97},{"color":"Storm Blue","background":"#4F666A","foreground":"#FFFFFF","label":"white text","ratio":6.1}]},"useCases":{"chooseFirstWhen":"Shale is better when the design needs muted blue character, cool temperature, and the specific HEX value #59656F.","chooseSecondWhen":"Storm Blue is better when the design needs muted cyan character, cool temperature, and the specific HEX value #4F666A.","useTogetherWhen":"Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."},"relatedApi":["https://www.colorsencyclopedia.com/api/compare/shale-vs-storm-blue.json","https://www.colorsencyclopedia.com/api/colors/shale.json","https://www.colorsencyclopedia.com/api/colors/storm-blue.json"],"url":"https://www.colorsencyclopedia.com/compare/shale-vs-storm-blue/","apiUrl":"https://www.colorsencyclopedia.com/api/compare/shale-vs-storm-blue.json"}