Dark green (slightly alkaine), Blue (moderately alkaine), purple (strongly alkaline).
It goes purple
A base typically turns universal indicator solution blue or purple.
When universal indicator is put in water soluion of alkalis (base) it indicates significant blue colour.
Purple. Sodium Hydroxide is an Alkali/base. Bases and Alkalis have a pH greater than 7, and turn blue-purple in universal indicator.
Sodium hydroxide turns Universal Indicator solution dark purple, indicating it is a strong base with a high pH level.
Bleach typically turns a greenish-yellow color when tested with universal indicator due to its high pH level. This indicates that bleach is a strong base.
red
The color is blue for a weak base.
The pH of the base ammonia is, depending on its concentration between 11.1 (0.1M) and 12.1 (10M) so the color of the most common Yamada's Universal Indicator will be purple (or blue if pH < 11, ready to use household ammonia)
It would turn red in strong acid, orange/yellow in a weak acid, green in a neutral solution, blue in a weak base and purple in a strong base
The color of a universal indicator in a basic solution is usually purple or blue.
Sodium chloride is a neutral substance and will not exhibit a specific color in a universal indicator. Universal indicators change color based on the pH of a solution, not the presence of specific compounds like sodium chloride.