Buttons: combination of Red and Green buttons provide poor visual accessibility for colorblind users

Issue identified during Color Audit gitlab-design#289 (closed)

Operations > Environments

Deuteranopia is known as Red-Green Color Blindness. Red and green buttons can be confusing for users affected by Red-Green confusion.

The action a user can take on a environment is based on the colors and icons used in the button. Color blind users see buttons as displayed below:

and