APCA Contrast Calculator
apcacontrast.comCompare text contrast with its size, weight and colour direction in view.
Compare text contrast with its size, weight and colour direction in view.
Build interface colour scales with shade curves and contrast targets.
Sample a foreground and background pair and copy its contrast report.
Adjust text and background colours while checking their contrast.
Find replacement colours that meet a chosen contrast target.
Check text and interface contrast with transparency and lightness controls.
Share a colour pair with its WCAG text-contrast result.
Adjust CSS colour pairs and inspect their changing contrast ratio.
Build and test software from declared targets and dependency graphs across multiple languages.
Adjust CSS colours and calculate contrast with focused JavaScript functions.
Choose numbered shades whose separation indicates minimum contrast.
Set measured colour targets and recalibration for supported ColorEdge monitors.
Track defined KPIs, targets and changes through dashboards and scheduled reports.
Shape a complete interface palette while checking colour-pair contrast.
Generate interface themes from target contrast ratios and colour scales.
Indonesian savings pockets with an optional seven-day Boost condition
Advance application releases through configured deployment targets.
View text contrast through different vision and lighting simulations.
See how a colour pair performs for different text sizes.
Build mobile, web, and desktop interfaces from a shared Flutter codebase.
Check colour pairs, sample an image and collect results for a PDF.
Field-sales visit targets built from client classes and product lines
Connect portfolio events with dividend targets and income progress
Compiles and optimizes machine-learning models for deployment across hardware targets.