Colors are from the XKCD Color Survey, and the order of this list comes from sorting by visual similarity.
slate #516572
slate grey #59656d
gunmetal #536267
denim #3b638c
ugly blue #31668a
peacock blue #016795
sea blue #047495
ocean blue #03719c
ocean #017b92
teal blue #01889f
dirty blue #3f829d
metallic blue #4f738e
greyish blue #5e819d
slate blue #5b7c99
steel blue #5a7d9a
stormy blue #507b9c
dull blue #49759c
cadet blue #4e7496
denim blue #3b5b92
dusky blue #475f94
dusk #4e5481
twilight #4e518b
darkish blue #014182
prussian blue #004577
twilight blue #0a437a
cobalt #1e488f
light navy #155084
deep sea blue #015482
light navy blue #2e5a88
dusk blue #26538d
greenish grey #96ae8d
grey/green #86a17d
greyish green #82a67d
greeny grey #7ea07a
grey green #789b73
green grey #77926f
lichen #8fb67b
sage #87ae73
sage green #88b378
faded green #7bb274
dusty green #76a973
cool grey #95a3a6
greyblue #77a1b5
bluegrey #85a3b2
bluey grey #89a0b0
purpley grey #947e94
grey #929591
warm grey #978a84
medium grey #7d7f7c
blue grey #607c8e
grey/blue #647d8e
steel grey #6f828a
battleship grey #6b7c85
bluish grey #748b97
steel #738595
grey blue #6b8ba4
blue/grey #758da3
greyish teal #719f91
dull teal #5f9e8f
grey teal #5e9b8a
dark cyan #0a888a
greenish blue #0b8b87
teal #029386
blue/green #0f9b8e
sea #3c9992
dusty teal #4c9085
soft green #6fc276
tea #65ab7c
greeny blue #42b395
green blue #06b48b
greenish teal #32bf84
greenblue #23c48b
green/blue #01c08d
dark mint #48c072
cool green #33b864
dark mint green #20c073
algae green #21c36f
ocean green #3d9973
dark seafoam green #3eaf76
bluey green #2bb179
dark seafoam #1fb57a
green teal #0cb577
teal green #25a36f
bluish green #10a674
jade #1fa774
greenish #40a368
jade green #2baf6a
seaweed green #35ad6b
dark sea green #11875d
viridian #1e9167
blue green #137e6d
dark aquamarine #017371
deep turquoise #017374
bluegreen #017a79
deep aqua #08787f
slate green #658d6d
dark sage #598556
light forest green #4f9153
fern green #548d44
jungle green #048243
darkish green #287c37
tree green #2a7e19
dark grass green #388004
true green #089404
kelley green #009337
emerald green #028f1e
irish green #019529
green #15b01a
kelly green #02ab2e
emerald #01a049
shamrock green #02c14d
shamrock #01b44c
lawn green #4da409
grass green #3f9b0b
grassy green #419c03
frog green #58bc08
leaf green #5ca904
kermit green #5cb200
medium green #39ad48
mid green #50a747
grass #5cac2d
leafy green #51b73b
turtle green #75b84f
leaf #71aa34
nasty green #70b23f
dark pastel green #56ae57
algae #54ac68
boring green #63b365
off green #6ba353
flat green #699d4c
muted green #5fa052
fern #63a950
dull green #74a662
asparagus #77ab56
lightish green #61e160
fresh green #69d84f
green apple #5edc1f
toxic green #61de2a
apple green #76cd26
apple #6ecb3c
vibrant green #0add08
bright lime green #65fe08
vivid green #2fef10
poison green #40fd14
fluro green #0aff02
neon green #0cff0c
bright green #01ff07
fluorescent green #08ff08
electric green #21fc0d
highlighter green #1bfc06
hot green #25ff29
radioactive green #2cfa1f
minty green #0bf77d
spearmint #1ef876
turquoise green #04f489
wintergreen #20f986
aqua green #12e193
weird green #3ae57f
seaweed #18d17b
tealish green #0cdc73
bright light green #2dfe54
light neon green #4efd54
light bright green #53fe5c
lighter green #75fd63
lightgreen #76ff7b
light green #96f97b
easter green #8cfd7e
dark lime green #7ebd01
dark lime #84b701
vomit green #89a203
baby shit green #889717
pea soup #929901
baby poop green #8f9805
avocado green #87a922
booger green #96b403
puke green #9aae07
barf green #94ac02
pea soup green #94a617
pea green #8eab12
sickly green #94b21c
icky green #8fae22
avocado #90b134
booger #9bb53c
sick green #9db92c
pea #a4bf20
gross green #a0bf16
snot green #9dc100
bright olive #9cbb04
yellowish green #b0dd16
slime green #99cc04
puke #a5a502
vomit #a2a415
mustard green #a8b504
snot #acbb0d
green/yellow #b5ce08
bile #b5c306
baby puke green #b6c406
greenish beige #c9d179
pale olive #b9cc81
greenish tan #bccb7a
pale olive green #b1d27b
light moss green #a6c875
light olive green #a4be5c
light olive #acbf69
tan green #a9be70
pear #cbf85f
light yellow green #ccfd7f
light pea green #c4fe82
pistachio #c0fa8b
light yellowish green #c2ff89
pale lime #befd73
light lime green #b9ff66
pale lime green #b1ff65
spring green #a9f971
light lime #aefd6c
key lime #aeff6e
acid green #8ffe09
lime green #89fe05
bright lime #87fd05
lime #aaff32
bright yellow green #9dff00
lemon green #adf802
electric lime #a8ff04
light grass green #9af764
kiwi #9cef43
kiwi green #8ee53f
claret #680018
maroon #650021
burgundy #610023
merlot #730039
wine #80013f
red purple #820747
red wine #8c0034
wine red #7b0323
bordeaux #7b002c
dark red #840000
indian red #850e04
brick red #8f1402
crimson #8c000f
blood #770001
reddy brown #6e1005
reddish brown #7f2b0a
chestnut #742802
red brown #8b2e16
rust brown #8b3103
darkish red #a90308
rust red #aa2704
rusty red #af2f0d
carmine #9d0216
burnt red #9f2305
blood red #980002
deep red #9a0200
brick #a03623
brownish red #9e3623
auburn #9a3001
brown red #922b05
burnt umber #a0450e
rust #a83c09
russet #a13905
clay brown #b2713d
leather #ac7434
sepia #985e2b
earth #a2653e
brownish #9c6d57
mocha #9d7651
dark tan #af884a
light brown #ad8150
tan brown #ab7e4c
puce #a57e52
coffee #a6814c
pinkish brown #b17261
clay #b66a50
adobe #bd6c48
warm brown #964e02
raw sienna #9a6200
copper #b66325
sienna #a9561e
raw umber #a75e09
burnt siena #b75203
burnt sienna #b04e0f
cinnamon #ac4f06
orange brown #be6400
brown orange #b96902
umber #b26400
orangey brown #b16002
orangish brown #b25f03
yellowish brown #9b7a01
diarrhea #9f8303
hazel #8e7618
baby poop #937c00
poo #8f7303
puke brown #947706
bronze #a87900
mustard brown #ac7e04
golden brown #b27a01
caramel #af6f09
baby poo #ab9004
baby shit brown #ad900d
dark mustard #a88905
yellowy brown #ae8b0c
brown yellow #b29705
yellow brown #b79400
dark gold #b59410
ochre #bf9005
ocher #bf9b0c
ocre #c69c04
yellow ochre #cb9d06
green brown #544e03
mud brown #60460f
olive brown #645403
brownish green #6a6e09
brown green #706c11
browny green #6f6c0a
olive #6e750e
poop green #6f7c00
olive green #677a04
murky green #6c7a0e
mud green #606602
greenish brown #696112
greeny brown #696006
mud #735c12
ugly brown #7d7103
brown #653700
medium brown #7f5112
milk chocolate #7f4e1e
poop #7f5e00
shit #7f5f00
shit brown #7b5804
poop brown #7a5901
poo brown #885f01
muddy brown #886806
swamp green #748500
shit green #758000
ugly green #7a9703
dark yellow green #728f02
mossy green #638b27
sap green #5c8b15
dirty green #667e2c
olive drab #6f7632
muddy green #657432
military green #667c3e
moss green #658b38
khaki green #728639
swamp #698339
grey brown #7f7053
greyish brown #7a6a4f
dark taupe #7f684e
dirt #8a6e45
dull brown #876e4b
dirt brown #836539
cocoa #875f42
reddish grey #997570
brownish grey #86775f
brown grey #8d8468
drab #828344
camo #7f8f4e
moss #769958
drab green #749551
dark khaki #9b8f55
khaki #aaa662
pale brown #b1916e
dust #b2996e
dark beige #ac9362
dark sand #a88f59
darkish purple #751973
velvet #750851
rich purple #720058
brownish purple #76424e
purplish brown #6b4247
purple brown #673a3f
grape #6c3461
dirty purple #734a65
dark mauve #874c62
bruise #7e4071
plum purple #4e0550
deep violet #490648
eggplant purple #430541
plum #580f41
grape purple #5d1451
dark plum #3f012c
eggplant #380835
aubergine #3d0734
very dark purple #2a0134
midnight purple #280137
dark purple #35063e
deep purple #36013f
dark violet #34013f
deep blue #040273
dark royal blue #02066f
dark indigo #1f0954
dark blue #00035b
darkblue #030764
royal purple #4b006e
indigo #380282
royal #0c1793
pine #2b5d34
spruce #0a5f38
dark teal #014d4e
dark blue green #005249
dark aqua #05696b
petrol #005f6a
dark green blue #1f6357
dark turquoise #045c5a
deep teal #00555a
marine blue #01386a
marine #042e60
dark blue grey #1f3b4d
dark grey blue #29465b
dark slate blue #214761
dark #1b2431
charcoal grey #3c4142
dark grey #363737
charcoal #343837
dark green #033500
dark forest green #002d04
very dark green #062e03
pine green #0a481e
evergreen #05472a
deep green #02590f
forest #0b5509
racing green #014600
forest green #06470c
british racing green #05480d
bottle green #044a05
darkgreen #054907
hunter green #0b4008
forrest green #154406
camo green #526525
army green #4b5d16
camouflage green #4b6113
dark olive #373e02
dark olive green #3c4d03
navy green #35530a
dark brown #341c02
chocolate #3d1c02
chocolate brown #411900
mahogany #4a0100
dried blood #4b0101
dark maroon #3c0008
deep brown #410200
very dark brown #1d0200
black #000000
almost black #070d0d
dark navy blue #00022e
midnight #03012d
midnight blue #020035
very dark blue #000133
dark navy #000435
night blue #040348
navy blue #001146
navy #01153e
burnt yellow #d5ab09
gold #dbb40c
dark yellow #d5b60a
muddy yellow #bfac05
mustard #ceb301
brownish yellow #c9b003
olive yellow #c2b709
puke yellow #c2be0e
vomit yellow #c7c10c
dirty yellow #cdc50a
mustard yellow #d2bd0a
ugly yellow #d0c101
macaroni and cheese #efb435
orangey yellow #fdb915
golden yellow #fec615
sunflower #ffc512
golden #f5bf03
golden rod #f9bc08
goldenrod #fac205
marigold #fcc006
mango #ffa62b
squash #f2ab15
yellow orange #fcb001
amber #feb308
saffron #feb209
orange yellow #ffad01
yellowish orange #ffab0f
dusty orange #f0833a
orangish #fc824a
pastel orange #ff964f
orangeish #fd8d49
faded orange #f0944d
pale orange #ffa756
light orange #fdaa48
butterscotch #fdb147
canary #fdff63
manilla #fffa86
yellowish tan #fcfc81
pale yellow #ffff84
butter #ffff81
banana #ffff7e
faded yellow #feff7f
straw #fcf679
light yellow #fffe7a
custard #fffd78
pastel yellow #fffe71
butter yellow #fffd74
sand yellow #fce166
yellow tan #ffe36e
pale gold #fdde6c
yellowish #faee66
sandy yellow #fdee73
dull yellow #eedc5b
maize #f4d054
light mustard #f7d560
light gold #fddc5c
sand #e2ca76
wheat #fbdd7e
sandy #f1da7a
sun yellow #ffdf22
dandelion #fedf08
sunflower yellow #ffda03
sunny yellow #fff917
yellow #ffff14
bright yellow #fffd01
off yellow #f1f33f
canary yellow #fffe40
lemon yellow #fdff38
sunshine yellow #fffd37
lemon #fdff52
banana yellow #fafe4b
lime yellow #d0fe1d
greenish yellow #cdfd02
neon yellow #cfff04
yellow/green #c8fd3d
green yellow #c9ff27
yellow green #c0fb2d
lemon lime #bffe28
yellowy green #bff128
yellowgreen #bbf90f
chartreuse #c1f80a
greeny yellow #c6f808
piss yellow #ddd618
sickly yellow #d0e429
strong pink #ff0789
hot pink #ff028d
electric pink #ff0490
neon pink #fe019a
shocking pink #fe02a2
bright pink #fe01b1
barbie pink #fe46a5
bubblegum #ff6cb5
bubble gum pink #ff69af
pink #ff81c0
bubblegum pink #fe83cc
purplish pink #ce5dae
pale magenta #d767ad
orchid #c875c4
lavender pink #dd85d7
mauve #ae7181
dusky rose #ba6873
dusty rose #c0737a
brownish pink #c27e79
faded pink #de9dac
pig pink #e78ea5
greyish pink #c88d94
light mauve #c292a1
grey pink #c3909b
dusty pink #d58a94
dull pink #d5869d
muted pink #d1768f
dusky pink #cc7a8b
old pink #c77986
old rose #c87f89
dirty pink #ca7b80
ugly pink #cd7584
pinkish grey #c8aca9
stone #ada587
bland #afa88b
greyish #a8a495
cement #a5a391
putty #beae8a
taupe #b9a281
mushroom #ba9e88
pinkish tan #d99b82
camel #c69f59
sandy brown #c4a661
sand brown #cba560
desert #ccad60
tan #d1b26f
very light brown #d3b683
toupe #c7ac7d
sandstone #c9ae74
fawn #cfaf7b
peach #ffb07c
apricot #ffb16d
peachy pink #ff9a8a
blush #f29e8e
light salmon #fea993
pale salmon #ffb19a
rose pink #f7879a
carnation pink #ff7fa7
rosa #fe86a4
pinky #fc86aa
carnation #fd798f
blush pink #fe828c
medium pink #f36196
rosy pink #f6688e
warm pink #fb5581
salmon #ff796c
salmon pink #fe7b7c
light maroon #a24857
light burgundy #a8415b
dark rose #b5485d
dusty red #b9484e
raspberry #b00149
purplish red #b0054b
cranberry #9e003a
rouge #ab1239
red violet #9e0168
violet red #a50055
deep magenta #a0025c
dark fuchsia #9d0759
berry #990f4b
purple red #990147
dark magenta #960056
reddish purple #910951
mulberry #920a4e
rose #cf6275
pinkish #d46a7e
darkish pink #da467d
dark pink #cb416b
deep rose #c74767
magenta #c20078
deep pink #cb0162
cerise #de0c62
dark hot pink #d90166
melon #ff7855
pinkish orange #ff724c
orange pink #ff6f52
coral pink #ff6163
coral #fc5a50
grapefruit #fd5956
bright orange #ff5b00
blood orange #fe4b03
red orange #fd3c06
orangered #fe420f
tomato #ef4026
orange red #fd411e
reddish orange #f8481c
orangey red #fa4224
bright red #ff000d
fire engine red #fe0002
red #e50000
tomato red #ec2d01
vermillion #f4320c
orangish red #f43605
cherry red #f7022a
neon red #ff073a
pinkish red #f10c45
pink red #f5054f
watermelon #fd4659
reddish pink #fe2c54
red pink #fa2a55
light red #ff474c
lightish red #fe2f4a
pinky red #fc2647
strawberry #fb2943
scarlet #be0119
ruby #ca0147
lipstick #d5174e
cherry #cf0234
rose red #be013c
lipstick red #c0022f
dull orange #d8863b
brownish orange #cb7723
dirty orange #c87606
browny orange #ca6b02
dark peach #de7e5d
terra cotta #c9643b
terracotta #ca6641
terracota #cb6843
reddish #c44240
dull red #bb3f3f
dark salmon #c85a53
pale red #d9544d
pastel red #db5856
faded red #d3494e
dark coral #cf524e
deep orange #dc4d01
rusty orange #cd5909
burnt orange #c04e01
brick orange #c14a09
dark orange #c65102
rust orange #c45508
pumpkin #e17701
tangerine #ff9408
orange #f97306
pumpkin orange #fb7d07
hot purple #cb00f5
bright purple #be03fd
neon purple #bc13fe
vivid purple #9900fa
electric purple #aa23ff
bright violet #ad0afd
violet #9a0eea
vibrant purple #ad03de
heliotrope #d94ff5
bright lavender #c760ff
bright lilac #c95efb
purply pink #f075e6
candy pink #ff63e9
light magenta #fa5ff7
violet pink #fb5ffc
hot magenta #f504c9
bright magenta #ff08e8
fuchsia #ed0dd9
pink/purple #ef1de7
purple/pink #d725de
purple pink #e03fd8
pinkish purple #d648d7
pink purple #db4bda
purpleish pink #df4ec8
pinky purple #c94cbe
purpley pink #c83cb9
liliac #c48efd
easter purple #c071fe
light purple #bf77f6
light urple #b36ff6
pale purple #b790d4
light violet #d6b4fc
pale violet #ceaefa
lavender #c79fef
baby purple #ca9bf7
lilac #cea2fd
pastel purple #caa0ff
purpley #8756e4
lighter purple #a55af4
lightish purple #a552e6
electric blue #0652ff
vibrant blue #0339f8
vivid blue #152eff
light royal blue #3a2efe
rich blue #021bf9
primary blue #0804f9
strong blue #0c06f7
purple blue #632de9
purpley blue #5f34e7
burple #6832e3
bluish purple #703be7
purpleish blue #6140ef
purplish blue #601ef9
purply blue #661aee
blue violet #5d06e9
blue/purple #5a06ef
barney #ac1db8
purple #7e1e9c
purply #983fb2
medium purple #9e43a2
ugly purple #a442a0
barney purple #a00498
warm purple #952e8f
soft purple #a66fb5
wisteria #a87dc2
amethyst #9b5fc0
deep lavender #8d5eb7
deep lilac #966ebd
heather #a484ac
dusty lavender #ac86a8
dark lilac #9c6da5
dark lavender #856798
faded purple #916e99
light eggplant #894585
light plum #9d5783
purplish #94568c
purpleish #98568d
dusty purple #825f87
muted purple #805b87
dull purple #84597e
dusky purple #895b7b
purplish grey #7a687f
purple grey #866f85
greyish purple #887191
grey purple #826d8c
blueberry #464196
sapphire #2138ab
blue #0343df
blue blue #2242c7
bluey purple #6241c7
blurple #5539cc
blue with a hint of purple #533cc6
warm blue #4b57db
iris #6258c4
dark periwinkle #665fd1
light indigo #6d5acf
indigo blue #3a18b1
ultramarine #2000b1
royal blue #0504aa
cobalt blue #030aa7
violet blue #510ac9
blue purple #5729ce
purple/blue #5d21d0
true blue #010fcc
ultramarine blue #1805db
pure blue #0203e2
french blue #436bad
bluish #2976bb
windows blue #3778bf
medium blue #2c6fbb
mid blue #276ab3
nice blue #107ab0
muted blue #3b719f
flat blue #3c73a8
cerulean #0485d1
water blue #0e87cc
faded blue #658cbb
cool blue #4984b8
dusty blue #5a86ad
off blue #5684ae
azure #069af3
dark sky blue #448ee4
periwinkle #8e82fe
lavender blue #8b88f8
periwinkle blue #8f99fb
perrywinkle #8f8ce7
cornflower #6a79f7
soft blue #6488ea
cornflower blue #5170d7
bright blue #0165fc
azul #1d5dec
cerulean blue #056eee
dodger blue #3e82fc
deep sky blue #0d75f8
lightish blue #3d7afd
clear blue #247afd
light peach #ffd8b1
buff #fef69e
dark cream #fff39a
parchment #fefcaf
light beige #fffeb6
creme #ffffb6
light tan #fbeeac
pale peach #ffe5ad
beige #e6daa6
light khaki #e6f2a2
very light pink #fff4f2
white #ffffff
pale grey #fdfdfe
off white #ffffe4
eggshell #ffffd4
pale #fff9d0
ecru #feffca
ivory #ffffcb
cream #ffffc2
egg shell #fffcc4
very light purple #f6cefc
pale mauve #fed0fc
light lavendar #efc0fe
light lavender #dfc5fe
pale lilac #e4cbff
pale lavender #eecffe
light lilac #edc8ff
light pink #ffd1df
pale pink #ffcfdc
light rose #ffc5cb
pale rose #fdc1c5
soft pink #fdb0c0
powder pink #ffb2d0
baby pink #ffb7ce
pastel pink #ffbacd
robin's egg #6dedfd
robin's egg blue #98eff9
robin egg blue #8af1fe
bright aqua #0bf9ea
cyan #00ffff
bright turquoise #0ffef9
bright light blue #26f7fd
bright cyan #41fdfe
aqua blue #02d8e9
neon blue #04d9ff
bright sky blue #02ccfe
pale blue #d0fefe
ice #d6fffa
very light blue #d5ffff
really light blue #d4ffff
ice blue #d7fffe
very pale blue #d6fffe
pale sky blue #bdf6fe
eggshell blue #c4fff7
duck egg blue #c3fbf4
light sky blue #c6fcff
light light blue #cafffb
pale aqua #b8ffeb
light cyan #acfffc
pale cyan #b7fffa
sky #82cafc
lightblue #7bc8f6
sky blue #75bbfd
carolina blue #8ab8fe
light periwinkle #c1c6fc
pastel blue #a2bffe
powder blue #b1d1fc
light blue #95d0fc
baby blue #a2cffe
light grey blue #9dbcd4
light blue grey #b7c9e2
cloudy blue #acc2d9
light grey #d8dcd6
silver #c5c9c7
turquoise blue #06b1c4
aquamarine #04d8b2
topaz #13bbaf
turquoise #06c2ac
tealish #24bca8
bright teal #01f9c6
aqua #13eac9
aqua marine #2ee8bb
light greenish blue #63f7b4
light bluish green #76fda8
light blue green #7efbb3
seafoam green #7af9ab
seafoam #80f9ad
sea green #53fca1
light green blue #56fca2
bright sea green #05ffa6
greenish cyan #2afeb7
greenish turquoise #00fbb0
foam green #90fda9
mint green #8fff9f
baby green #8cff9e
light seafoam #a0febf
light sea green #98f6b0
mint #9ffeb0
light mint green #a6fbb2
light seafoam green #a7ffb5
celadon #befdb7
light mint #b6ffbb
very light green #d1ffbd
very pale green #cffdbc
pale green #c7fdb5
light light green #c8ffb0
light sage #bcecac
light grey green #b7e1a1
celery #c1fd95
washed out green #bcf5a6
tea green #bdf8a3
light pastel green #b2fba5
pastel green #b0ff9d
pale light green #b1fc99
pale turquoise #a5fbd5
light turquoise #7ef4cc
light aquamarine #7bfdc7
light aqua #8cffdb
tiffany blue #7bf2da
pale teal #82cbb2
seafoam blue #78d1b6
light teal #90e4c1
hospital green #9be5aa