clear blue sky
- azureLight sky tone
- cloudlessFree of sky cover
- sunnyBright with daylight
- horizonApparent earth-sky meeting
- ceruleanBright sky tone
vast · open · bright · serene · infinite · summer · crisp · bluebird · expanse · heavens · pristine · vivid · turquoise · atmosphere · daylight · cobalt · brilliant · unclouded
weather condition
clear blue skyovercast sky
storm clouds · dark clouds · grey skies · thunderstorm · stormy sky
metaphorical certainty/optimism
clear blue skyout of nowhere
Without apparent origin
bolt from the blue · gathering storm · impending doom · warning signs · red flags