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Colour

#00CCCC

  • #00CCCC
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#00CCCC is a cyan with RGB values 0, 204, 204 and HSL 180°, 100%, 40%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#00CCCC#00CCCC
HEX#00CCCC
HEX (short)#0CC
RGBrgb(0, 204, 204)
RGB (0–1)0, 0.8, 0.8
RGB percentages0%, 80%, 80%
HSLhsl(180, 100%, 40%)
HSV / HSBhsv(180, 100%, 80%)
CMYK100%, 0%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer52,428
CSS custom property--colour: #00CCCC;

Brightness & contrast

Relative luminance0.47545WCAG 2.x, 0 is black and 1 is white
Perceived brightness170.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.51:1
Contrast with white2:1WCAG normal text: Fail
Contrast with black10.51:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#FF3333

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BDC1CCno red cones; affects about 1% of men; ΔE 42 from the original
Deuteranopia#A6B0CDno green cones; the most common form, about 1% of men; ΔE 43.5 from the original
Tritanopia#00D3CCno blue cones; rare, and affects men and women equally; ΔE 4.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2:1WCAG large text: Fail
Contrast with black, large text10.51:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 1.8Medium turquoise · ΔE 5.4Light seagreen · ΔE 10.9Turquoise · ΔE 10.9Aqua · ΔE 18.3Cyan · ΔE 18.3
Nearest named CSS colourDark turquoise (#00CED1)ΔE 1.84, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CC0000
Analogous#00CC66, #0066CC
Triadic#CC00CC, #CCCC00
Split complementary#CC0066, #CC6600
Tetradic#6600CC, #CC0000, #66CC00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#99FFFF
Lighter +30%#66FFFF
Lighter +20%#33FFFF
Lighter +10%#00FFFF
Darker −10%#009999
Darker −20%#006666
Darker −30%#003333
Darker −40%#000000
More saturated +25%#00CCCC
Less saturated −25%#19B3B3

Channel breakdown

R0
G204
B204
Red0 (0%)
Green204 (80%)
Blue204 (80%)
Hue180°
Saturation (HSL)100%
Lightness40%
Dominant channelGreen and Blue
Hex per channelR 00 · G CC · B CC

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Every value on this page was computed from “00cccc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.