{"datasetVersion":"1.0.0","slug":"neon-blue-vs-royal-blue","type":"nearest","name":"Neon Blue vs Royal Blue","verdict":"Neon Blue and Royal Blue are visually related colors. Royal Blue is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.18:1, so the pair is too low for text and better treated as a palette relationship.","summary":"Neon Blue and Royal Blue are different blue colors with HEX values #1F51FF and #4169E1. According to Colors Encyclopedia, their RGB distance is 51.3, their contrast ratio is 1.18:1, and the comparison helps choose between tone, temperature, and accessibility behavior.","rgbDistance":51.3,"contrastRatio":1.18,"colors":[{"slug":"neon-blue","name":"Neon Blue","hex":"#1F51FF","rgb":[31,81,255],"hsl":[227,100,56],"cmyk":[88,68,0,0],"family":"blue","temperature":"cool","tone":["vibrant"],"luminance":0.134,"contrast":{"black":3.68,"white":5.71},"wcag":{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]},"bestText":{"text":"#FFFFFF","label":"white text","ratio":5.71},"description":"Neon Blue is #1F51FF, a cool blue color with vibrant character. Compared with Royal Blue, it is darker and more saturated. Use it for neon accents, event graphics, and high-energy digital design, with white text as the safer foreground option.","url":"https://www.colorsencyclopedia.com/colors/neon-blue/","apiUrl":"https://www.colorsencyclopedia.com/api/colors/neon-blue.json"},{"slug":"royal-blue","name":"Royal Blue","hex":"#4169E1","rgb":[65,105,225],"hsl":[225,73,57],"cmyk":[71,53,0,12],"family":"blue","temperature":"cool","tone":["vibrant"],"luminance":0.1666,"contrast":{"black":4.33,"white":4.85},"wcag":{"AA":["#FFFFFF"],"AAA":[]},"bestText":{"text":"#FFFFFF","label":"white text","ratio":4.85},"description":"Royal Blue is #4169E1, a cool blue color with vibrant character. Compared with Neon Blue, it is lighter and less saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.","url":"https://www.colorsencyclopedia.com/colors/royal-blue/","apiUrl":"https://www.colorsencyclopedia.com/api/colors/royal-blue.json"}],"differences":{"rgbDistance":51.3,"contrastRatio":1.18,"hslDelta":{"hue":2,"saturation":27,"lightness":1},"luminanceDelta":0.0326,"sameFamily":true,"sameTemperature":true,"sharedTones":["vibrant"],"lighterColor":"Royal Blue","moreSaturatedColor":"Neon Blue"},"accessibility":{"pairContrastRatio":1.18,"textRecommendation":"Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.","safeText":[{"color":"Neon Blue","background":"#1F51FF","foreground":"#FFFFFF","label":"white text","ratio":5.71},{"color":"Royal Blue","background":"#4169E1","foreground":"#FFFFFF","label":"white text","ratio":4.85}]},"useCases":{"chooseFirstWhen":"Neon Blue is better when the design needs vibrant blue character, cool temperature, and the specific HEX value #1F51FF.","chooseSecondWhen":"Royal Blue is better when the design needs vibrant blue character, cool temperature, and the specific HEX value #4169E1.","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/neon-blue-vs-royal-blue.json","https://www.colorsencyclopedia.com/api/colors/neon-blue.json","https://www.colorsencyclopedia.com/api/colors/royal-blue.json"],"url":"https://www.colorsencyclopedia.com/compare/neon-blue-vs-royal-blue/","apiUrl":"https://www.colorsencyclopedia.com/api/compare/neon-blue-vs-royal-blue.json"}