75+ Colors that Start with O (Names and Color Codes)

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From the deep azure of Ocean Blue to the lively spark of Orange Peel, the colors that start with 'O' are unique, mesmerizing, and truly captivating. In this guide, we'll delve into 75+ distinct shades and hues that begin with the letter O.

Why focus on one letter, you might ask? The answer is in the intrigue. There's something captivating about colors that start with a specific letter. It draws us into a specialized understanding, a niche exploration that reveals colors you may never have considered.

Whether you're an artist looking for inspiration, a designer craving the perfect shade, or simply a color enthusiast, this guide is tailored to ignite your passion.

Find more colors starting from A to Z:

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

List of Colors Starting With the Letter O

Below is our entire selection of colors that initiate with the letter O, each accompanied by a brief description, its specific name, and the corresponding HEX, RGB, CMYK, and HSL color codes.

Oak Brown

Oak Brown
HEX #806517
RGB 128, 101, 23
RGB percentage 50%, 40%, 9%
CMYK 0, 21, 82, 50
HSL 45°, 70, 30

See more similar shades of brown color

Oasis Sand

Oasis Sand
HEX #fcedc5
RGB 252, 237, 197
RGB percentage 99%, 93%, 77%
CMYK 0, 6, 22, 1
HSL 44°, 90, 88

See more similar shades of brown color

Oatmeal

Oatmeal
HEX #E0DCC8
RGB 224, 220, 200
RGB percentage 88%, 86%, 78%
CMYK 0, 2, 11, 12
HSL 50°, 28, 83

See more similar shades of brown color

Obsidian

Obsidian
HEX #020403
RGB 2, 4, 3
RGB percentage 1%, 2%, 1%
CMYK 50, 0, 25, 98
HSL 150°, 33, 1

See more similar shades of black color

Ocean Blue

Ocean Blue
HEX #3C41CD
RGB 238, 59, 52
RGB percentage 93%, 23%, 20%
CMYK 71, 68, 0, 20
HSL 355°, 82, 54

See more similar shades of blue color

Ocean green

Ocean green
HEX #48BF91
RGB 72, 191, 145
RGB percentage 28%, 75%, 57%
CMYK 62, 0, 24, 25
HSL 157°, 48, 52

See more similar shades of green color

Ocean Indigo

Ocean Indigo
HEX #485479
RGB 72, 84, 121
RGB percentage 28%, 33%, 47%
CMYK 40, 31, 0, 53
HSL 225°, 25, 38

See more similar shades of indigo color

Ocean Purple

Ocean Purple
HEX #6E2D91
RGB 110, 45, 145
RGB percentage 43%, 18%, 57%
CMYK 24, 69, 0, 43
HSL 279°, 53, 37

See more similar shades of purple color

Ochre

Ochre
HEX #CC7722
RGB 204, 119, 34
RGB percentage 80%, 47%, 13%
CMYK 0, 42, 83, 20
HSL 30°, 71, 47

See more similar shades of brown color

Ochre Orange

Ochre Orange
HEX #C99700
RGB 201, 151, 0
RGB percentage 79%, 59%, 0%
CMYK 0, 25, 100, 21
HSL 45°, 100, 39

See more similar shades of orange color

Ochre Yellow

Ochre Yellow
HEX #B5904B
RGB 181, 144, 75
RGB percentage 71%, 56%, 29%
CMYK 0, 20, 59, 29
HSL 39°, 42, 50

See more similar shades of yellow color

Off Black

Off Black
HEX #595652
RGB 89, 86, 82
RGB percentage 35%, 34%, 32%
CMYK 0, 3, 8, 65
HSL 34°, 4, 34

See more similar shades of black color

Off White

Off White
HEX #FAF9F6
RGB 250, 249, 246
RGB percentage 98%, 98%, 96%
CMYK 0, 0, 2, 2
HSL 45°, 29, 97

See more similar shades of white color

Office Green

Office Green
HEX #008000
RGB 0, 128, 0
RGB percentage 0%, 50%, 0%
CMYK 100, 0, 100, 50
HSL 120°, 100, 25

See more similar shades of green color

Oil

Oil
HEX #3B3131
RGB 59, 49, 49
RGB percentage 23%, 19%, 19%
CMYK 0, 17, 17, 77
HSL 0°, 9, 21

See more similar shades of black color

OK Coral

OK Coral
HEX #CC7161
RGB 204, 113, 97
RGB percentage 80%, 44%, 38%
CMYK 0, 45, 52, 20
HSL 9°, 51, 59

See more similar shades of coral color

Oklahoma Crimson

Oklahoma Crimson
HEX #841617
RGB 132, 22, 23
RGB percentage 52%, 9%, 9%
CMYK 0, 83, 83, 48
HSL 359°, 71, 30

See more similar shades of red color

Old bamboo color

Old bamboo color
HEX #5e644f
RGB 94, 100, 79
RGB percentage 37%, 39%, 31%
CMYK 6, 0, 21, 61
HSL 77°, 12, 35

See more similar shades of gray color

Old Burgundy

Old Burgundy
HEX #43302E
RGB 67, 48, 46
RGB percentage 26%, 19%, 18%
CMYK 0, 28, 31, 74
HSL 6°, 19, 22

See more similar shades of burgundy color

Old Champagne

Old Champagne
HEX #f7e7ce
RGB 247, 231, 206
RGB percentage 97%, 91%, 81%
CMYK 0, 6, 17, 3
HSL 37°, 72, 89

See more similar shades of champagne color

Old Font

Old Font
HEX #1805DB
RGB 24, 5, 219
RGB percentage 9.4%, 2%, 85.9%
CMYK 89, 98, 0, 14
HSL 253°, 95.7, 43.1

See more similar shades of blue color

Old gold

Old gold
HEX #CFB53B
RGB 207, 181, 59
RGB percentage 81%, 71%, 23%
CMYK 0, 13, 71, 19
HSL 49°, 61, 52

See more similar shades of gold color

Old Gold Color

Old Gold Color
HEX #CFB53B
RGB 207, 181, 59
RGB percentage 81%, 71%, 23%
CMYK 0, 13, 71, 19
HSL 49°, 61, 52

See more similar shades of orange color

Old Gray

Old Gray
HEX #989692
RGB 152, 150, 146
RGB percentage 60%, 59%, 57%
CMYK 0, 1, 4, 40
HSL 40°, 3, 58

See more similar shades of gray color

Old Ivory

Old Ivory
HEX #DCD1AE
RGB 220, 209, 174
RGB percentage 86%, 82%, 68%
CMYK 0, 5, 21, 14
HSL 46°, 40, 77

See more similar shades of ivory color

Old Lace

Old Lace
HEX #FDF5E6
RGB 253, 245, 230
RGB percentage 99%, 96%, 90%
CMYK 0, 3, 9, 1
HSL 39°, 85, 95

See more similar shades of cream color

Old lavender

Old lavender
HEX #796878
RGB 121, 104, 120
RGB percentage 47%, 41%, 47%
CMYK 0, 14, 1, 53
HSL 304°, 8, 44

See more similar shades of lavender color

Old Magenta

Old Magenta
HEX #953d55
RGB 149, 61, 85
RGB percentage 58%, 24%, 33%
CMYK 0, 59, 43, 42
HSL 344°, 42, 41

See more similar shades of magenta color

Old Mauve

Old Mauve
HEX #673147
RGB 103, 49, 71
RGB percentage 40%, 19%, 28%
CMYK 0, 52, 31, 60
HSL 336°, 36, 30

See more similar shades of mauve color

Old Moss Green

Old Moss Green
HEX #867E36
RGB 134, 126, 54
RGB percentage 53%, 49%, 21%
CMYK 0, 6, 60, 47
HSL 54°, 43, 37

See more similar shades of green color

Old Penny

Old Penny
HEX #a27d66
RGB 162, 125, 102
RGB percentage 64%, 49%, 40%
CMYK 0, 23, 37, 36
HSL 23°, 24, 52

See more similar shades of brown color

Old Red

Old Red
HEX #340D17
RGB 52, 13, 23
RGB percentage 20%, 5%, 9%
CMYK 0, 75, 56, 80
HSL 345°, 60, 13

See more similar shades of red color

Old Rose

Old Rose
HEX #C08081
RGB 192, 128, 129
RGB percentage 75%, 50%, 51%
CMYK 0, 33, 33, 25
HSL 359°, 34, 63

See more similar shades of pink color

Old Silver

Old Silver
HEX #848482
RGB 132, 132, 130
RGB percentage 52%, 52%, 51%
CMYK 0, 0, 2, 48
HSL 60°, 1, 51

See more similar shades of gray color

Old Wood

Old Wood
HEX #F0EEE4
RGB 240, 238, 228
RGB percentage 94%, 93%, 89%
CMYK 0, 1, 5, 6
HSL 50°, 29, 92

See more similar shades of white color

Old Yellow

Old Yellow
HEX #C8AF55
RGB 200, 175, 85
RGB percentage 78%, 69%, 33%
CMYK 0, 13, 58, 22
HSL 47°, 51, 56

See more similar shades of yellow color

Oldlace

Oldlace
HEX #FDF5E6
RGB 253, 245, 230
RGB percentage 99%, 96%, 90%
CMYK 0, 3, 9, 1
HSL 39°, 85, 95

See more similar shades of white color

Olive

Olive
HEX #808000
RGB 128, 128, 0
RGB percentage 50%, 50%, 0%
CMYK 0, 0, 100, 50
HSL 60°, 100, 25

See more similar shades of green color

Olive (RAL)

Olive (RAL)
HEX #3B3C36
RGB 59, 60, 54
RGB percentage 23%, 24%, 21%
CMYK 2, 0, 10, 76
HSL 70°, 5, 22

See more similar shades of black color

Olive Black

Olive Black
HEX #3C3D36
RGB 60, 61, 54
RGB percentage 24%, 24%, 21%
CMYK 2, 0, 11, 76
HSL 69°, 6, 23

See more similar shades of black color

Olive Conquering White

Olive Conquering White
HEX #E4E5D8
RGB 228, 229, 216
RGB percentage 89%, 90%, 85%
CMYK 0, 0, 6, 10
HSL 65°, 20, 87

See more similar shades of white color

Olive Drab

Olive Drab
HEX #6B8E23
RGB 107, 142, 35
RGB percentage 42%, 56%, 14%
CMYK 25, 0, 75, 44
HSL 80°, 60, 35

See more similar shades of green color

Olive Gray

Olive Gray
HEX #A09F8D
RGB 160, 159, 141
RGB percentage 63%, 62%, 55%
CMYK 0, 1, 12, 37
HSL 57°, 9, 59

See more similar shades of gray color

Olive green

Olive green
HEX #708238
RGB 112, 130, 56
RGB percentage 44%, 51%, 22%
CMYK 14, 0, 57, 49
HSL 75°, 40, 36

See more similar shades of green color

Olive Pit

Olive Pit
HEX #a9a491
RGB 169, 164, 145
RGB percentage 66%, 64%, 57%
CMYK 0, 3, 14, 34
HSL 48°, 12, 62

See more similar shades of brown color

Olive Wood

Olive Wood
HEX #756244
RGB 117, 98, 68
RGB percentage 46%, 38%, 27%
CMYK 0, 16, 42, 54
HSL 37°, 26, 36

See more similar shades of beige color

Olive Yellow (RAL)

Olive Yellow (RAL)
HEX #9D8F65
RGB 157, 143, 101
RGB percentage 62%, 56%, 40%
CMYK 0, 9, 36, 38
HSL 45°, 22, 51

See more similar shades of yellow color

Olympus White

Olympus White
HEX #D4D8D7
RGB 212, 216, 215
RGB percentage 83%, 85%, 84%
CMYK 2, 0, 0, 15
HSL 165°, 5, 84

See more similar shades of white color

Ontario Violet

Ontario Violet
HEX #777cb0
RGB 119, 124, 176
RGB percentage 47%, 49%, 69%
CMYK 32, 30, 0, 31
HSL 235°, 27, 58

See more similar shades of violet color

Onyx

Onyx
HEX #353839
RGB 53, 56, 57
RGB percentage 21%, 22%, 22%
CMYK 7, 2, 0, 78
HSL 195°, 4, 22

See more similar shades of black color

Opalescent Coral

Opalescent Coral
HEX #FFD2A9
RGB 255, 210, 169
RGB percentage 100%, 82%, 66%
CMYK 0, 18, 34, 0
HSL 29°, 100, 83

See more similar shades of coral color

Opera Mauve

Opera Mauve
HEX #b784a7
RGB 183, 132, 167
RGB percentage 72%, 52%, 65%
CMYK 0, 28, 9, 28
HSL 319°, 26, 62

See more similar shades of mauve color

Opulent Violet

Opulent Violet
HEX #a09ec6
RGB 160, 158, 198
RGB percentage 63%, 62%, 78%
CMYK 19, 20, 0, 22
HSL 243°, 26, 70

See more similar shades of violet color

Orange

Orange
HEX #FFA500
RGB 255, 165, 0
RGB percentage 100%, 65%, 0%
CMYK 0, 35, 100, 0
HSL 39°, 100, 50

See more similar shades of orange color

Orange (Crayola)

Orange (Crayola)
HEX #FF7538
RGB 255, 117, 56
RGB percentage 100%, 46%, 22%
CMYK 0, 54, 78, 0
HSL 18°, 100, 61

See more similar shades of orange color

Orange (G&S)

Orange (G&S)
HEX #E86100
RGB 232, 97, 0
RGB percentage 91%, 38%, 0%
CMYK 0, 58, 100, 9
HSL 25°, 100, 45

See more similar shades of orange color

Orange (Pantone)

Orange (Pantone)
HEX #FF5800
RGB 255, 88, 0
RGB percentage 100%, 35%, 0%
CMYK 0, 65, 100, 0
HSL 21°, 100, 50

See more similar shades of orange color

Orange (web color)

Orange (web color)
HEX #FFA500
RGB 255, 165, 0
RGB percentage 100%, 65%, 0%
CMYK 0, 35, 100, 0
HSL 39°, 100, 50

See more similar shades of orange color

Orange Brown

Orange Brown
HEX #B16002
RGB 177, 96, 2
RGB percentage 69%, 38%, 1%
CMYK 0, 46, 99, 31
HSL 32°, 98, 35

See more similar shades of brown color

Orange egg

Orange egg
HEX #EE9B17
RGB 238, 155, 23
RGB percentage 93%, 61%, 9%
CMYK 0, 35, 90, 7
HSL 37°, 86, 51

See more similar shades of orange color

Orange Maple

Orange Maple
HEX #d3a083
RGB 211, 160, 131
RGB percentage 83%, 63%, 51%
CMYK 0, 24, 38, 17
HSL 22°, 48, 67

See more similar shades of brown color

Orange Peel

Orange Peel
HEX #FF9F00
RGB 255, 159, 0
RGB percentage 100%, 62%, 0%
CMYK 0, 38, 100, 0
HSL 37°, 100, 50

See more similar shades of orange color

Orange Red

Orange Red
HEX #FF4500
RGB 255, 69, 0
RGB percentage 100%, 27%, 0%
CMYK 0, 73, 100, 0
HSL 16°, 100, 50

See more similar shades of red color

Orange soda

Orange soda
HEX #FA5B3D
RGB 250, 91, 61
RGB percentage 98%, 36%, 24%
CMYK 0, 64, 76, 2
HSL 10°, 95, 61

See more similar shades of orange color

Orange Spice

Orange Spice
HEX #D76B00
RGB 215, 107, 0
RGB percentage 84%, 42%, 0%
CMYK 0, 50, 100, 16
HSL 30°, 100, 42

See more similar shades of orange color

Orange White

Orange White
HEX #F8F9F5
RGB 248, 249, 245
RGB percentage 97%, 98%, 96%
CMYK 0, 0, 2, 2
HSL 75°, 25, 97

See more similar shades of white color

Orange Yellow

Orange Yellow
HEX #FFAE42
RGB 255, 174, 66
RGB percentage 100%, 68%, 26%
CMYK 0, 32, 74, 0
HSL 34°, 100, 63

See more similar shades of yellow color

Orange yellow crayola

Orange yellow crayola
HEX #F8D568
RGB 248, 213, 104
RGB percentage 97%, 84%, 41%
CMYK 0, 14, 58, 3
HSL 45°, 91, 69

See more similar shades of yellow color

Orange-Red

Orange-Red
HEX #FF4500
RGB 255, 69, 0
RGB percentage 100%, 27%, 0%
CMYK 0, 73, 100, 0
HSL 16°, 100, 50

See more similar shades of orange color

Orangutan orange

Orangutan orange
HEX #E26E1B
RGB 226, 110, 27
RGB percentage 89%, 43%, 11%
CMYK 0, 51, 88, 11
HSL 25°, 79, 50

See more similar shades of orange color

Orchid

Orchid
HEX #DA70D6
RGB 218, 112, 214
RGB percentage 85%, 44%, 84%
CMYK 0, 49, 2, 15
HSL 302°, 59, 65

See more similar shades of fuchsia color

Orchid Mist

Orchid Mist
HEX #917798
RGB 145, 119, 152
RGB percentage 57%, 47%, 60%
CMYK 5, 22, 0, 40
HSL 287°, 14, 53

See more similar shades of lavender color

Orchid Pink

Orchid Pink
HEX #F2BDCD
RGB 242, 189, 205
RGB percentage 95%, 74%, 80%
CMYK 0, 22, 15, 0
HSL 342°, 67, 85

See more similar shades of pink color

Orioles Orange

Orioles Orange
HEX #FB4F14
RGB 251, 79, 20
RGB percentage 98%, 31%, 8%
CMYK 0, 69, 92, 2
HSL 15°, 97, 53

See more similar shades of orange color

Otter Brown

Otter Brown
HEX #654321
RGB 101, 67, 33
RGB percentage 40%, 26%, 13%
CMYK 0, 34, 67, 60
HSL 30°, 51, 26

See more similar shades of taupe color

OU Crimson Red

OU Crimson Red
HEX #841617
RGB 132, 22, 23
RGB percentage 52%, 9%, 9%
CMYK 0, 83, 83, 48
HSL 359°, 71, 30

See more similar shades of red color

Outer Space

Outer Space
HEX #414A4C
RGB 65, 74, 76
RGB percentage 25%, 29%, 30%
CMYK 14, 3, 0, 70
HSL 191°, 8, 28

See more similar shades of gray color

Outrageous Orange

Outrageous Orange
HEX #FF6E4A
RGB 255, 110, 74
RGB percentage 100%, 43%, 29%
CMYK 0, 57, 71, 0
HSL 12°, 100, 65

See more similar shades of orange color

Outrageous Orange Red

Outrageous Orange Red
HEX #FF6E4A
RGB 255, 110, 74
RGB percentage 100%, 43%, 29%
CMYK 0, 57, 71, 0
HSL 12°, 100, 65

See more similar shades of red color

Oxblood

Oxblood
HEX #4a0404
RGB 74, 4, 4
RGB percentage 29%, 2%, 2%
CMYK 0, 95, 95, 71
HSL 0°, 90, 15

See more similar shades of burgundy color

Oxford Blue

Oxford Blue
HEX #002147
RGB 0, 33, 71
RGB percentage 0%, 13%, 28%
CMYK 100, 54, 0, 72
HSL 206°, 100, 14

See more similar shades of blue color

Oxford Gray

Oxford Gray
HEX #8391A1
RGB 131, 145, 161
RGB percentage 51%, 57%, 63%
CMYK 19, 10, 0, 37
HSL 212°, 14, 57

See more similar shades of gray color

Oyster

Oyster
HEX #F0D8D8
RGB 240, 216, 216
RGB percentage 94%, 85%, 85%
CMYK 0, 10, 10, 6
HSL 0°, 44, 89

See more similar shades of pink color

Oyster White

Oyster White
HEX #E3DFD2
RGB 227, 223, 210
RGB percentage 89%, 87%, 82%
CMYK 0, 2, 7, 11
HSL 46°, 23, 86

See more similar shades of white color

Colors That Start with O Color Conversion Chart