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Recognised as Colour

#00BDD4

  • #00BDD4
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#00BDD4 is a cyan with RGB values 0, 189, 212 and HSL 187°, 100%, 42%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#00BDD4#00BDD4
HEX#00BDD4
RGBrgb(0, 189, 212)
RGB (0–1)0, 0.7412, 0.8314
RGB percentages0%, 74.1%, 83.1%
HSLhsl(186.5, 100%, 41.6%)
HSV / HSBhsv(186.5, 100%, 83.1%)
CMYK100%, 10.8%, 0%, 16.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer48,596
CSS custom property--colour: #00BDD4;

Brightness & contrast

Relative luminance0.41149WCAG 2.x, 0 is black and 1 is white
Perceived brightness161.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.23:1
Contrast with white2.28:1WCAG normal text: Fail
Contrast with black9.23:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#FF422B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AAB6D5no red cones; affects about 1% of men; ΔE 34.2 from the original
Deuteranopia#92A4D4no green cones; the most common form, about 1% of men; ΔE 36.3 from the original
Tritanopia#00C7C4no blue cones; rare, and affects men and women equally; ΔE 16 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.28:1WCAG large text: Fail
Contrast with black, large text9.23:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 13.7Medium turquoise · ΔE 17Light seagreen · ΔE 18.1Sky blue · ΔE 18.7Cadetblue · ΔE 21.2Dark cyan · ΔE 22.7
Nearest named CSS colourDark turquoise (#00CED1)ΔE 13.74, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D41700
Analogous#00D481, #0053D4
Triadic#D400BD, #BDD400
Split complementary#D40053, #D48100
Tetradic#8100D4, #D41700, #53D400

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1F5FF
Lighter +30%#6EEFFF
Lighter +20%#3BEAFF
Lighter +10%#08E4FF
Darker −10%#0090A1
Darker −20%#00626E
Darker −30%#00353B
Darker −40%#000708
More saturated +25%#00BDD4
Less saturated −25%#1BA8BA

Channel breakdown

R0
G189
B212
Red0 (0%)
Green189 (74.1%)
Blue212 (83.1%)
Hue186.51°
Saturation (HSL)100%
Lightness41.57%
Dominant channelBlue
Hex per channelR 00 · G BD · B D4

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Every value on this page was computed from “00bdd4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.