The legends tell us that Lord Krishna had drunk poisoned milk given by a demon when he was a baby and that had caused the bluish tinge in his skin.
The poison was so deadly that whatever came into its contact soon perished. Finally, lord Brahma and Vishnu prayed to lord Shiva to come to their rescue. Since lord Shiva is known to be extremely powerful, he drank the deadly poison which soon started spreading throughout his body turning it into blue.
In the Vedas and Puranas, Narayana is described as having the divine blackish-blue color of water-filled clouds, four-armed, holding a Padma (lotus), Kaumodaki (mace), Panchajanya Shankha (conch) and the Sudarshana Chakra (discus).
Iconography of Kali. In all forms of representation, Goddess Kali is usually depicted as naked, in blue or black skin colour signifying the sky and the ocean, and seen with her tongue hanging out.
Why did Shiva's neck turn blue? As we all noise, a poison turns the body blue. Therefore, since Lord Shiva consumed the Halahala and held it there without letting it go into his body, his neck turned blue. Hence, he is known as Neelkantha (the one with a blue neck).
Etymologically speaking, the Sanskrit word 'Krishna' means black or dark. At times, it is also translated as “all attractive”. According to Vedas, Lord Krishna is a dark-skinned Dravidian god. Even in traditional patta chitras (cloth art) in Odisha, Lord Krishna and Vishnu are always shown having black skin.
In Southeast Asian countries, every character in Ramayana has a particular complexion. Rama is green, Lakshmana is golden, Bharatha is purple and Shatrughna is yellow. So when the masked characters enter the stage for the silent performance the audience can easily identify the characters from their colour.
The Dark appearance of Kali represents the darkness from which everything was born. Her complexion is black, which is more black than the darkest night ever. As she is also the goddess of Preservation, Kali is worshiped as the preserver of nature.
Agitated with the scenario, the Devas went to Lord Shiva for help as he was the only savior who could do the undoable and save everybody from this wrath. Bholenath, being concerned with this peculiar situation, consumed the poison himself to save humanity from calamity and destruction.
With a notebook and pen close by, close your eyes and summon Kali inwardly. Ask that the Kali energy in you be present. Ask, “Let me speak to Kali.”
Yellow in Hinduism is the color of Lord Vishnu, the color of purity, victory, chastity and surprisingly sensuality too, since in spring in India unmarried girls wear yellow clothes. Some tribes believe that the color yellow has powers to keep evil spirits away.
A larger number of Indians criticised Subramanya's intervention, pointing out that Hindu gods are black, blue, yellow, red, white, and pink. "Goddess Kali, Krishna, Shiva, Ram and so many other gods are never light skinned! In fact in southern India so many goddesses like Mariyamma, Chamundeshwari etc.
Together these three Lords symbolize nature's rules, which is everything that is created is eventually destroyed. The birth of these three Gods is a great mystery in itself. While many purans believe that God Brahma and God Vishnu were born from God Shiva, there is no hardcore evidence to prove the same.
His hands always carry four objects in them, representing the things he is responsible for. The objects symbolise many more meanings than are presented here: The conch: the sound this produces 'Om', represents the primeval sound of creation. The chakra, or discus: symbolises the mind.
Lord Krishna is the incarnation of Lord Vishnu and his blue colour is emblematic of internal strength, the calmness and serenity.
…in the beginning the god Narayana (identified with Vishnu) floated on the snake Ananta (“Endless”) on the primeval waters. From Narayana's navel grew a lotus, in which the god Brahma was born reciting the four Vedas with his four mouths and creating the “Egg of Brahma,” which contains all the…
In the hindu scriptures, Shiva is described to be someone who enjoys his meat and his alcohol. He is smeared with ashes from the dead and is considered the destroyer while Vishnu is the creator.
Shiva wearing a Snake represents fearlessness and power. Snakes are always feared for their venom, and thus powerful . So , Shiva having a snake on his body and neck shows that, He would take away all the fears and weaknesses , and protects his devotees.
Signs you can expect
You'll see that nothing is filthy or lovely; everything has its own essence. You will no longer seek acceptance from others; the only approval you will require is from your own soul and Lord Shiva. You'll want to cry if you encounter someone in suffering or who is hungry.
In Kali temples, the tongue is smeared with the blood of sacrificed animals — a reminder that Mother Nature is — 'red in tooth and claw', giving life as well as taking life.
Kali is none of that: Her power and ferociousness are greater than Shiva's, whom she nearly kills by stomping upon him, an image so upsetting to the patriarchy that, explains mythologist Devdutt Pattanaik in Seven Secrets of the Goddess, it was long kept secret.
She is also said to have been born when the goddess Parvati shed her dark skin; the sheath became Kali—who is also called Kaushika, “The Sheath”—leaving Parvati in the form of Gauri (“The Fair One”).
Lord Shiva is described as 'White as camphor or snow clad mountain. ' Lord Krishna is said to be of the color of a 'Dark cloud.
According to our scriptures, the skin colour of Sri Ram was dark brown in his human form.