Dev tools · alternatives · 2026

24 alternatives to OpacityOnTop for Android developers

Full-screen transparent canvas to simulate your app colors

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. OpacityOnTop for Android developers launched in 2020; newer entries below may have overtaken it.

1. 1
   Mobile Palette Generator▲453

   Generate color palettes with a click of the mouse

   2021 · mobilepalette.colorion.co · its alternatives →

2. 2
   Bananotate▲148

   Your Screen, On Steroids

   2024 · bananotate.com · its alternatives →

3. 3
   Flat UI Colors 2▲532

   280 handpicked colors ready for copy & paste

   2018 · flatuicolors.com · its alternatives →

4. 4
   AppScreens▲118

   Design high-quality screenshots for your Apple & Android app

   2020 · appscreens.com · its alternatives →

5. 5
   Color Tap▲82

   A mobile color matching game

   2015 · its alternatives →

6. 6CP
   Color Picker for iOS and Android developers▲38

   2017 · colorsforcoders.com · its alternatives →

7. 7
   TrueShot▲96

   Create professional screenshots on Android within seconds

   2023 · play.google.com · its alternatives →

8. 8
   Material UI Colors▲198

   Color palette for material design

   2015 · materialuicolors.co · its alternatives →

9. 9
   Flat UI Colors▲160

   Great colors for your flat designs.

   2014 · flatuicolors.com · its alternatives →

10. 10MY
    Make your iPhone app look beautiful▲119

    2013 · uipsd.co · its alternatives →

11. 11
    col.or▲169

    Explore colors with AR

    2021 · apps.apple.com · its alternatives →

12. 12
    CSS Glassmorphism Generator▲77

    Create stunning, transparent UI designs in seconds

    2023 · its alternatives →

13. 13
    Kameleon▲83

    A simple color picker app for Android

    2018 · play.google.com · its alternatives →

14. 14
    Colors For App▲7

    Live Color Preview for App UI – Instantly Visualize & Pick

    2025 · its alternatives →

15. 15
    UI.Colors▲85

    Small web app with a bunch UI colors

    2014 · its alternatives →

16. 16
    Awesome Gradients Maker▲109

    Create awesome gradient wallpapers for your smartphone

    2019 · play.google.com · its alternatives →

17. 17
    App Screenshot Studio for OSX▲115

    Create beautiful screenshots for App Store & Google Play

    2018 · apps.apple.com · its alternatives →

18. 18AL
    A little web app for playing around with colors▲106

    2019 · color.clss.hk · its alternatives →

19. 19
    Real-time Colors▲59

    Real-time UI Color Palette Tool

    2023 · realtimecolors.com · its alternatives →

20. 20
    palettes & patterns▲81

    Color visualisation app

    2022 · apps.apple.com · its alternatives →

21. 21
    Coloree▲73

    A better color picker for developers with an AR companion 🎨

    2019 · its alternatives →

22. 22
    Color Run▲66

    Just tip on the lighter color and be quick

    2015 · colorrun.pl · its alternatives →

23. 23
    Pigments▲72

    Pigments brings beautiful color palettes to your pocket.

    2021 · play.google.com · its alternatives →

24. 24
    3rd Color▲10

    Color Tools for Designers & Developers

    2025 · 3color.app · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →