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Colour

#00C5DD

  • #00C5DD
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#00C5DD is a cyan with RGB values 0, 197, 221 and HSL 187°, 100%, 43%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#00C5DD#00C5DD
HEX#00C5DD
RGBrgb(0, 197, 221)
RGB (0–1)0, 0.7725, 0.8667
RGB percentages0%, 77.3%, 86.7%
HSLhsl(186.5, 100%, 43.3%)
HSV / HSBhsv(186.5, 100%, 86.7%)
CMYK100%, 10.9%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer50,653
CSS custom property--colour: #00C5DD;

Brightness & contrast

Relative luminance0.45153WCAG 2.x, 0 is black and 1 is white
Perceived brightness168.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.03:1
Contrast with white2.09:1WCAG normal text: Fail
Contrast with black10.03:1WCAG normal text: AAA
Greyscale equivalent#9D9D9D
Inverted#FF3A22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B1BDDEno red cones; affects about 1% of men; ΔE 35.5 from the original
Deuteranopia#98ABDDno green cones; the most common form, about 1% of men; ΔE 37.3 from the original
Tritanopia#00CFCCno 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 text2.09:1WCAG large text: Fail
Contrast with black, large text10.03:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 12.9Medium turquoise · ΔE 16.5Sky blue · ΔE 18.5Light seagreen · ΔE 19.4Light skyblue · ΔE 22.9Cadetblue · ΔE 23.5
Nearest named CSS colourDark turquoise (#00CED1)ΔE 12.95, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD1800
Analogous#00DD86, #0057DD
Triadic#DD00C5, #C5DD00
Split complementary#DD0057, #DD8600
Tetradic#8600DD, #DD1800, #57DD00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AAF6FF
Lighter +30%#77F0FF
Lighter +20%#44EBFF
Lighter +10%#11E5FF
Darker −10%#0098AA
Darker −20%#006A77
Darker −30%#003D44
Darker −40%#000F11
More saturated +25%#00C5DD
Less saturated −25%#1CAFC1

Channel breakdown

R0
G197
B221
Red0 (0%)
Green197 (77.3%)
Blue221 (86.7%)
Hue186.52°
Saturation (HSL)100%
Lightness43.33%
Dominant channelBlue
Hex per channelR 00 · G C5 · B DD

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Every value on this page was computed from “00c5dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.