cyancoolCSS named color

Darkturquoise #00CED1

Darkturquoise is a medium, highly saturated cool-toned color with a cool cast. Defined as one of the 148 CSS named colors in the W3C CSS Color Module Level 4 specification.

Use cases: Fresh accents · Aquatic themes

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Families: Cyans · Teals

Color values

FormatValue
HEX#00CED1
RGBrgb(0, 206, 209)
HSLhsl(181, 100%, 41%)
HSVhsv(181, 100%, 82%)
OKLCHoklch(77.19% 0.131 196.6)
OKLaboklab(77.19% -0.1259 -0.0377)
CMYKcmyk(100%, 1.4%, 0%, 18%)
XYZxyz(33.5745, 48.7415, 67.9477)
CIE-LABlab(75.3, -40.0, -13.5)
CIE-LCHlch(75.3, 42.3, 198.6°)
Luminance0.487 (WCAG relative)
/* Darkturquoise */ --darkturquoise: #00ced1; color: #00ced1; background-color: #00ced1;

Source: W3C CSS named color. CSS keyword: darkturquoise.

Collections: Vibrant Colors · Jewel Tone Colors

Shade scale

Perceptual 50–950 scale, interpolated in CIE-LAB. Step 500 is the base color. Edit in the shade generator →

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950

OKLCH ramp (perceptually uniform, modern CSS)

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950

Shades (toward black)

#13b7ba #1ba1a3 #1f8b8d #207678 #1f6263 #1d4e4f #1a3b3c #152929 #0f1818 #000000

Tints (toward white)

#46d3d6 #65d8da #7ddddf #93e2e3 #a7e7e8 #baecec #ccf1f1 #ddf6f6 #eefafa #ffffff

Tones (toward gray)

#3ccccf #55cacc #68c9ca #77c7c7 #85c5c5 #91c2c3 #9cc0c0 #a6bebe #b0bcbc #b9b9b9

Color harmonies

Complementary

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#00CED1
#D10300
#00ced1 #d10300

Analogous

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#00D16B
#00CED1
#0065D1
#00d16b #00ced1 #0065d1

Triadic

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#00CED1
#D100CE
#CED100
#00ced1 #d100ce #ced100

Tetradic

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#00CED1
#6B00D1
#D10300
#65D100
#00ced1 #6b00d1 #d10300 #65d100

Square

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#00CED1
#6B00D1
#D10300
#65D100
#00ced1 #6b00d1 #d10300 #65d100

Split Complementary

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#00CED1
#D10065
#D16B00
#00ced1 #d10065 #d16b00

Monochromatic

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#005557
#009294
#00CED1
#0FFCFF
#4CFCFF
#005557 #009294 #00ced1 #0ffcff #4cfcff

Accessibility & contrast

1.95
#00CED1 on #FFFFFF
AA text ✗AA large ✗AAA text ✗UI 3:1 ✗
10.75
#00CED1 on #000000
AA text ✓AA large ✓AAA text ✓UI 3:1 ✓

Best text on darkturquoise

10.75
#000000 text

WCAG 2.1: AA needs ≥4.5:1 for normal text, ≥3:1 for large text and UI components; AAA needs ≥7:1 / ≥4.5:1. Open the contrast checker →

Color blindness preview

Simulation using the Machado et al. (2009) physiological model, severity 1.0. This is an approximation of perception — not a medical assessment.

Normal vision
Protanopia (red-blind)
#BFC3D2
Deuteranopia (green-blind)
#A7B2D2
Tritanopia (blue-blind)
#00D5CE

Closest named colors

Nearest matches by CIEDE2000 perceptual distance (ΔE₀₀) across the full color database.

ColorNameΔE₀₀
Mediumturquoise #48D1CC3.22
Aqua Blue #02D8E95.29
Topaz #13BBAF7.37
Turquoise #40E0D07.56
Lightseagreen #20B2AA8.46
Tealish #24BCA89.47

Colors that go with darkturquoise

Top matches by hue harmony, contrast and saturation compatibility.

Prussian Blue #004577
5.1:1
Analogous hue (Δh ≈24°) — neighbors on the color wheel
Bottle Green #044A05
5.4:1
Text-safe contrast with the anchor (5.41:1, passes WCAG AA)
Olive #808000
2.1:1
Triadic harmony (Δh ≈121°) — balanced three-way contrast
Merlot #730039
6.0:1
Split-complementary angle (Δh ≈149°) — strong but softer than direct complement
Wine #722F37
4.9:1
Complementary hue (Δh ≈172°) — maximum hue contrast

Values computed from the sRGB color model. CMYK is the naive sRGB conversion without an ICC profile. RGB percentages may differ between color-managed applications.