Depending on the details of the dream, the color yellow could have positive or negative connotations.
If the dream has a pleasant or happy mood the yellow could represent enthusiasm, energy, vigor, and harmony. However, if the dream had an undesirable tone, the yellow could represent fear and the inability to make a decision or take action. See also: Colors... The Bedside Dream Dictionary
Refers to intuition and intellect (also in the sense of awareness). Symbol for the color of the sun.
Yellow also stands for irritable feelings. It may also be a sign of mental illness that may be expressed, for instance, in the choice of yellow as a dominating color in paintings, such as those of Van Gogh.
The term “Yellow Peril” warns of mental and physical illness. This is a classic example of how a political term with an archetypal meaning has over time led to new associations, regardless of whether others share the same political opinion. Advertising works in a similar way.
If the yellow seems to have a golden tint to it— abundant harvest, intellectual activities. Dark or muddy / dirty yellow, on the other hand, means envy, greed, jealousy, and betrayal.
In Hinduism, yellow symbolizes the light of life; in Buddhism humility and freedom.
Goethe wrote “[Yellow] is a happy, alive, gentle color, but it can easily become uncomfortable and with the addition of even the slightest amount of another color, it becomes devalued, ugly, and dirty.”... Little Giant Encyclopedia
Yellow is a happy, encouraging color. In spite of its gentleness, however, it can easily slide into unpleasantness, because only the slightest addition can quickly make it look dirty, unattractive, greenish, or caustic. Yellow is the color of intuition, premonitions, and perceptions, however much it is easily irritated.
A warm yellow is the color of the radiant energy of the sun, enlightening and wanning at the same time.
Color Therapy: Yellow is a good color in cases of digestive problems, liver and gallbladder problems, diabetes, food allergies, low blood sugar, too much sexual energy, muscle tension and spasms, asthma, and depression.
Depth Psychology: Yellow is a symbol of your optimism, sunny disposition, the light, joy spirit, and your interest in new things. But it is also irritation, envy, extroversion, extreme motivation, and activity.... Dreamers Dictionary
Dreams of yellow signify that you are scared, timid, and afraid. Yellow is also associated with the sun, which stands for power, illumination, summertime, lightness of being, optimism and light. Consider the feeling tone. See Color.... Strangest Dream Explanations
To see a yellow bird flying about is an omen of good luck in financial affairs but not so good in affairs of the heart. Should the bird land on you in a friendly manner this denotes some ill fortune will cast a pall over your life for a short time.
To see this bird dead or sick then it foretells disaster in your affairs.... Encyclopedia of Dreams