The flag does not depict an actual rainbow The and are used to symbolize asexuality and aromantic asexuality respectively
Further, sexualities may be to some degree arbitrarily assigned labels which may then be permuted The two symbols most recognized internationally are the and the

Bi Flag

Many lesbians reclaimed this symbol for themselves as gay men reclaimed the pink triangle.

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Bi Flag
The symbolism of the flower derives from several fragments of poems by in which she describes a lover wearing garlands or a crown with violets
LGBT symbols
Some state that self-identifying as a bear is the only requirement, while others argue that bears must have certain physical characteristics, such as a hairy chest and face, a large body, or a certain mode of dress and behavior
Lesbian flag
A five-stripes version was soon derived from the 2018 colors
The rainbow flag, commonly known as the gay pride flag or LGBT pride flag, is a symbol of lesbian, gay, bisexual and transgender LGBT pride and LGBT social movements The alliance's literature states that Doerr chose the symbol specifically for its denotative meaning in the context of chemistry and : "a complete exchange of energy—that moment or span of time witness to absolute activity"
Ah, yeah, that's a good reason short of adding multiple flags Ace cards Due to the phonetic shortening from asexual to ace, are sometimes used to represent asexuality

Lesbian flag

In the 1970s it was adopted as a symbol of empowerment by the community.

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Lesbian flag
The stripe colors and widths, from top to bottom, are pink 40% , purple 20% , and blue 40%
Bisexual pride flag
Intersex Society of North America
Bi Flag
The origin of the symbol, sometimes facetiously referred to as the "biangles", is largely unknown; however, some postulations describe the colors as "pink represents attraction to women and the blue attraction to men, or the pink represents homosexuality, the blue heterosexuality and the purple bisexuality
The white stripe is for people that are nonbinary, feel that they don't have a gender Though the rainbow flag already represents all different kinds of sexual orientations other groups however wish to identify with special flags for various political reasons- but I believe it is unnecessary and burdensome to fill up code-points with symbols which may only be temporarily in vogue, and which may hold no meaning in 30 years
The lavender rhinoceros symbol was seen on signs, pins, and t-shirts at the Boston Pride Parade later in 1974, and a life-sized papier-mâché lavender rhinoceros was part of the parade Their approximate HTML values are D60270, 9B4F96, 0038A8; their approximate RGB values are 214,2,112 , 155,79,150 , and 0,56,168 , respectively

Bisexual flags

Above, I relied on sources that provided a wide overview, but obviously not a complete one.

Bisexual flags
It predates the flag and is still in use today
Bi Flag
Find out more in our
LGBT symbols
It was flown from a large public flagpole in San Francisco's beginning November 19, 2012, in commemoration of the