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Colour

#00C4DD

  • #00C4DD
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#00C4DD is a cyan with RGB values 0, 196, 221 and HSL 187°, 100%, 43%. It is a dark colour, so black text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#00C4DD#00C4DD
HEX#00C4DD
RGBrgb(0, 196, 221)
RGB (0–1)0, 0.7686, 0.8667
RGB percentages0%, 76.9%, 86.7%
HSLhsl(186.8, 100%, 43.3%)
HSV / HSBhsv(186.8, 100%, 86.7%)
CMYK100%, 11.3%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer50,397
CSS custom property--colour: #00C4DD;

Brightness & contrast

Relative luminance0.447WCAG 2.x, 0 is black and 1 is white
Perceived brightness167.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.94:1
Contrast with white2.11:1WCAG normal text: Fail
Contrast with black9.94:1WCAG normal text: AAA
Greyscale equivalent#9C9C9C
Inverted#FF3B22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B0BCDEno red cones; affects about 1% of men; ΔE 35.3 from the original
Deuteranopia#97ABDDno green cones; the most common form, about 1% of men; ΔE 36.5 from the original
Tritanopia#00CECCno blue cones; rare, and affects men and women equally; ΔE 16.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.11:1WCAG large text: Fail
Contrast with black, large text9.94:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 13.6Medium turquoise · ΔE 17.1Sky blue · ΔE 18.2Light seagreen · ΔE 19.8Light skyblue · ΔE 22.4Deep skyblue · ΔE 23.3
Nearest named CSS colourDark turquoise (#00CED1)ΔE 13.65, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD1900
Analogous#00DD88, #0055DD
Triadic#DD00C4, #C4DD00
Split complementary#DD0055, #DD8800
Tetradic#8800DD, #DD1900, #55DD00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AAF5FF
Lighter +30%#77F0FF
Lighter +20%#44EAFF
Lighter +10%#11E4FF
Darker −10%#0097AA
Darker −20%#006A77
Darker −30%#003C44
Darker −40%#000F11
More saturated +25%#00C4DD
Less saturated −25%#1CAFC1

Channel breakdown

R0
G196
B221
Red0 (0%)
Green196 (76.9%)
Blue221 (86.7%)
Hue186.79°
Saturation (HSL)100%
Lightness43.33%
Dominant channelBlue
Hex per channelR 00 · G C4 · B DD

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Every value on this page was computed from “00c4dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.