{"datasetVersion":"1.0.0","slug":"river-stone","name":"River Stone Palette","type":"generated","sourceColor":"river-stone","description":"Generated palette built from River Stone, its harmonies, a high-contrast pairing, and a light variant.","narrative":"River Stone Palette combines primary #7E8A8A, secondary #8B7E7E, surface #7E8B85, background #7E858B, accent #000000. According to Colors Encyclopedia, the palette works as a gray palette, muted palette, dark palette system for design system tokens, CSS variables, palette reference, and AI color ingestion, with each color mapped to roles, contrast data, CSS tokens, and machine-readable JSON.","semanticGroups":["river stone palette","generated palette","gray palette","muted palette","dark palette","neutral palette"],"useCases":["design system tokens","CSS variables","palette reference","AI color ingestion","quiet UI themes"],"colors":[{"role":"primary","hex":"#7E8A8A","slug":"river-stone","name":"River Stone","rgb":[126,138,138],"hsl":[180,5,52],"cmyk":[9,0,0,46],"family":"gray","temperature":"neutral","tone":["muted"],"luminance":0.2445,"contrast":{"black":5.89,"white":3.57},"wcag":{"AA":["#000000","#1A1A1A"],"AAA":[]},"url":"https://www.colorsencyclopedia.com/colors/river-stone/"},{"role":"secondary","hex":"#8B7E7E","slug":null,"name":"#8B7E7E","rgb":[139,126,126],"hsl":[0,5,52],"cmyk":[0,9,9,45],"family":"gray","temperature":"neutral","tone":["muted"],"luminance":0.2192,"contrast":{"black":5.38,"white":3.9},"wcag":{"AA":["#000000"],"AAA":[]},"url":"https://www.colorsencyclopedia.com/hex/8b7e7e/"},{"role":"surface","hex":"#7E8B85","slug":null,"name":"#7E8B85","rgb":[126,139,133],"hsl":[152,5,52],"cmyk":[9,0,4,45],"family":"gray","temperature":"neutral","tone":["muted"],"luminance":0.2459,"contrast":{"black":5.92,"white":3.55},"wcag":{"AA":["#000000","#1A1A1A"],"AAA":[]},"url":"https://www.colorsencyclopedia.com/hex/7e8b85/"},{"role":"background","hex":"#7E858B","slug":null,"name":"#7E858B","rgb":[126,133,139],"hsl":[208,5,52],"cmyk":[9,4,0,45],"family":"gray","temperature":"neutral","tone":["muted"],"luminance":0.2307,"contrast":{"black":5.61,"white":3.74},"wcag":{"AA":["#000000","#1A1A1A"],"AAA":[]},"url":"https://www.colorsencyclopedia.com/hex/7e858b/"},{"role":"accent","hex":"#000000","slug":"black","name":"Black","rgb":[0,0,0],"hsl":[0,0,0],"cmyk":[0,0,0,100],"family":"gray","temperature":"neutral","tone":["dark","neutral"],"luminance":0,"contrast":{"black":1,"white":21},"wcag":{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]},"url":"https://www.colorsencyclopedia.com/colors/black/"}],"roles":[{"role":"primary","hex":"#7E8A8A","name":"River Stone"},{"role":"secondary","hex":"#8B7E7E","name":"#8B7E7E"},{"role":"surface","hex":"#7E8B85","name":"#7E8B85"},{"role":"background","hex":"#7E858B","name":"#7E858B"},{"role":"accent","hex":"#000000","name":"Black"}],"accessibility":[{"role":"primary","hex":"#7E8A8A","name":"River Stone","blackContrast":5.89,"whiteContrast":3.57,"bestTextColor":"#000000","aaTextOptions":["#000000","#1A1A1A"],"aaaTextOptions":[]},{"role":"secondary","hex":"#8B7E7E","name":"#8B7E7E","blackContrast":5.38,"whiteContrast":3.9,"bestTextColor":"#000000","aaTextOptions":["#000000"],"aaaTextOptions":[]},{"role":"surface","hex":"#7E8B85","name":"#7E8B85","blackContrast":5.92,"whiteContrast":3.55,"bestTextColor":"#000000","aaTextOptions":["#000000","#1A1A1A"],"aaaTextOptions":[]},{"role":"background","hex":"#7E858B","name":"#7E858B","blackContrast":5.61,"whiteContrast":3.74,"bestTextColor":"#000000","aaTextOptions":["#000000","#1A1A1A"],"aaaTextOptions":[]},{"role":"accent","hex":"#000000","name":"Black","blackContrast":1,"whiteContrast":21,"bestTextColor":"#FFFFFF","aaTextOptions":["#FFFFFF","#F5F5F5"],"aaaTextOptions":["#FFFFFF","#F5F5F5"]}],"cssVariables":"--palette-river-stone-primary: #7E8A8A;\n--palette-river-stone-secondary: #8B7E7E;\n--palette-river-stone-surface: #7E8B85;\n--palette-river-stone-background: #7E858B;\n--palette-river-stone-accent: #000000;","relatedEndpoints":["https://www.colorsencyclopedia.com/api/palettes/river-stone.json","https://www.colorsencyclopedia.com/api/palettes.json","https://www.colorsencyclopedia.com/api/colors/river-stone.json"],"url":"https://www.colorsencyclopedia.com/palettes/river-stone/","apiUrl":"https://www.colorsencyclopedia.com/api/palettes/river-stone.json"}