HEX atlas value

#00CED1

#00CED1 is a cool cyan HEX color nearest Dark Turquoise. RGB 0, 206, 209, HSL 181° 100% 41%, luminance 0.4875; view contrast and conversions.

cyan cool vibrant

#00CED1 Sample readable text

HEX #00CED1

RGB rgb(0, 206, 209)

HSL hsl(181 100% 41%)

CMYK cmyk(100, 1, 0, 18)

Luminance 0.4875

Contrast Black 10.75:1White 1.95:1

CSS

--color-00ced1: #00CED1;
.background-00ced1 { background-color: #00CED1; }
.text-00ced1 { color: #00CED1; }

HEX meaning and use

About #00CED1

#00CED1 is classified as a cool cyan value with vibrant visual character. #00CED1 is visually closest to Dark Turquoise, a named cyan color with HEX #00CED1.

The RGB channels are 0, 206, and 209, with blue carrying the strongest channel weight. In HSL, the hue is 181deg with 100% saturation and 41% lightness, so this page treats it as a high-saturation, mid-lightness atlas color rather than a generic swatch.

Practical uses for this HEX value include color conversion, WCAG contrast checks, CSS color tokens, and high-energy accents. Its luminance is 0.4875, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text10.75:1AA Pass

White text1.95:1AA Fail

AA text options: #000000, #1A1A1A, #36454F.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #00CED1 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000010.75:1 · AAA

White text#FFFFFF1.95:1 · Fail

Accessible Alternatives

#2EFCFF#2EFCFF · #000000 text · best 16.48:1 Robin Egg Blue#00CCCC · #000000 text · best 10.51:1 #00D16C#00D16C · #000000 text · best 10.34:1 Deep Sky Blue#00BFFF · #000000 text · best 9.9:1 #17B7BA#17B7BA · #000000 text · best 8.52:1

Generated Palette

Dark Turquoise#00CED1

#D10300#D10300

#00D16C#00D16C

#0065D1#0065D1

#2EFCFF#2EFCFF

#007375#007375

Color Harmonies

#D10300#D10300

#00D16C#00D16C

#0065D1#0065D1

#D100CE#D100CE

#CED100#CED100

Variants

#2EFCFF#2EFCFF

#007375#007375

Dark Turquoise#00CED1

#17B7BA#17B7BA

#5FF0F2#5FF0F2

#00F6FA#00F6FA

Nearest Named Colors

Dark Turquoise#00CED1

Robin Egg Blue#00CCCC

Deep Sky Blue#00BFFF

Light Sea Green#20B2AA

Manganese Blue#03A89E

Luminance0.4875

Black text10.75:1AA Pass

White text1.95:1AA Fail

hexCanonical HEX value

rgbRed, green, blue channels

hslHue, saturation, lightness

cmykApproximate print conversion

wcagAA and AAA contrast options

harmoniesMathematical harmony sets

variantsGenerated tone variants

nearestColorsKnowledge graph neighbors

Structured sections

Color systems

{"hex":"#00CED1","rgb":[0,206,209],"hsl":[181,100,41],"cmyk":[100,1,0,18],"luminance":0.4875,"contrast":{"black":10.75,"white":1.95}}

WCAG

{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":10.75,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.95,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#2EFCFF","hex":"#2EFCFF","family":"cyan","bestTextColor":"#000000","contrastBlack":16.48,"contrastWhite":1.27,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Robin Egg Blue","hex":"#00CCCC","family":"cyan","bestTextColor":"#000000","contrastBlack":10.51,"contrastWhite":2,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#00D16C","hex":"#00D16C","family":"green","bestTextColor":"#000000","contrastBlack":10.34,"contrastWhite":2.03,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Deep Sky Blue","hex":"#00BFFF","family":"blue","bestTextColor":"#000000","contrastBlack":9.9,"contrastWhite":2.12,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#17B7BA","hex":"#17B7BA","family":"cyan","bestTextColor":"#000000","contrastBlack":8.52,"contrastWhite":2.47,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["cool cyan","vibrant","vibrant cyan","Dark Turquoise adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/00ced1.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/dark-turquoise.json","https://www.colorsencyclopedia.com/api/colors/robin-egg-blue.json","https://www.colorsencyclopedia.com/api/colors/deep-sky-blue.json"]}

Harmonies

{"complementary":"#D10300","analogous":["#00D16C","#0065D1"],"triadic":["#D100CE","#CED100"],"tetradic":["#6C00D1","#D10300","#65D100"],"splitComplementary":["#D10065","#D16C00"],"monochromatic":["#2EFCFF","#00CED1","#007375"]}

Variants

{"light":"#2EFCFF","dark":"#007375","saturated":"#00CED1","desaturated":"#17B7BA","pastel":"#5FF0F2","neon":"#00F6FA"}

Nearest named colors

[{"slug":"dark-turquoise","name":"Dark Turquoise","hex":"#00CED1","distance":0},{"slug":"robin-egg-blue","name":"Robin Egg Blue","hex":"#00CCCC","distance":5.385164807134504},{"slug":"deep-sky-blue","name":"Deep Sky Blue","hex":"#00BFFF","distance":48.38388161361178},{"slug":"light-sea-green","name":"Light Sea Green","hex":"#20B2AA","distance":57.697486947006624},{"slug":"manganese-blue","name":"Manganese Blue","hex":"#03A89E","distance":63.671029518926424}]

#00CED1

CSS

About #00CED1

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Machine-Readable HEX Data (JSON)

Related HEX Guides