1.0.0171.1 MB
MIT
strict
core22
Screen color eyedropper, WCAG contrast lab, and harmony palette studio
An independent open-source Linux screen color picker, WCAG 2.1 contrast
analyzer, and color harmony studio, alternative to ColorMania. Not
affiliated with or endorsed by any third-party software vendor.
FEATURES
• Live X11 Screen Eyedropper & Precision Formats: sample pixels anywhere on
screen with a 3x to 20x zoomed pixel grid magnifier, global keyboard
freeze toggle, interactive HSV/HSL color wheel, and bidirectional real-time
conversion across HEX, RGB, HSL, HSV/HSB, CMYK, Qt/Android Hex, and
Normalized Float with one-click copy buttons.
• WCAG 2.1 Contrast & Color-Blindness Lab: compute relative luminance and
contrast ratios between foreground and background colors with AA/AAA
Normal & Large pass/fail badges, live text preview, and real-time color
vision deficiency simulation for Normal, Protanopia, Deuteranopia,
Tritanopia, and Achromatopsia.
• Color Harmonies & Palette Exporter: generate Complementary, Analogous,
Triadic, Split-Complementary, Tetradic, and 10-Step Tints & Shades
swatches, manage saved custom palettes, and export to GIMP Palette (GPL),
CSS Custom Properties, JSON, and PNG Swatch Cards.
• Bilingual Interface: defaults to English with instant Vietnamese toggle.
SUPPORT & DONATE
• Created by Thanh Nguyen — https://buymeacoffee.com/thanhnv128b
analyzer, and color harmony studio, alternative to ColorMania. Not
affiliated with or endorsed by any third-party software vendor.
FEATURES
• Live X11 Screen Eyedropper & Precision Formats: sample pixels anywhere on
screen with a 3x to 20x zoomed pixel grid magnifier, global keyboard
freeze toggle, interactive HSV/HSL color wheel, and bidirectional real-time
conversion across HEX, RGB, HSL, HSV/HSB, CMYK, Qt/Android Hex, and
Normalized Float with one-click copy buttons.
• WCAG 2.1 Contrast & Color-Blindness Lab: compute relative luminance and
contrast ratios between foreground and background colors with AA/AAA
Normal & Large pass/fail badges, live text preview, and real-time color
vision deficiency simulation for Normal, Protanopia, Deuteranopia,
Tritanopia, and Achromatopsia.
• Color Harmonies & Palette Exporter: generate Complementary, Analogous,
Triadic, Split-Complementary, Tetradic, and 10-Step Tints & Shades
swatches, manage saved custom palettes, and export to GIMP Palette (GPL),
CSS Custom Properties, JSON, and PNG Swatch Cards.
• Bilingual Interface: defaults to English with instant Vietnamese toggle.
SUPPORT & DONATE
• Created by Thanh Nguyen — https://buymeacoffee.com/thanhnv128b
Update History
1.0.0 (1)14 Nov 2026, 08:30 UTC
14 Nov 2026, 08:30 UTC
14 Nov 2026, 08:29 UTC
14 Nov 2026, 08:30 UTC


