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Colour

#00CDB4

  • #00CDB4
  • Cyan
  • Dark
  • Nearest: Turquoise

#00CDB4 is a cyan with RGB values 0, 205, 180 and HSL 173°, 100%, 40%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#00CDB4#00CDB4
HEX#00CDB4
RGBrgb(0, 205, 180)
RGB (0–1)0, 0.8039, 0.7059
RGB percentages0%, 80.4%, 70.6%
HSLhsl(172.7, 100%, 40.2%)
HSV / HSBhsv(172.7, 100%, 80.4%)
CMYK100%, 0%, 12.2%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer52,660
CSS custom property--colour: #00CDB4;

Brightness & contrast

Relative luminance0.46958WCAG 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 10.39:1
Contrast with white2.02:1WCAG normal text: Fail
Contrast with black10.39:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#FF324B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C4C0B3no red cones; affects about 1% of men; ΔE 47.6 from the original
Deuteranopia#AEB0B6no green cones; the most common form, about 1% of men; ΔE 48.6 from the original
Tritanopia#00D1C5no blue cones; rare, and affects men and women equally; ΔE 7.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.02:1WCAG large text: Fail
Contrast with black, large text10.39:1WCAG large text: AAA

Named colours

Turquoise · ΔE 9.3Medium aquamarine · ΔE 12.5Medium turquoise · ΔE 14.1Light seagreen · ΔE 15Dark turquoise · ΔE 16.1Aquamarine · ΔE 20.3
Nearest named CSS colourTurquoise (#40E0D0)ΔE 9.26, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD0019
Analogous#00CD4D, #007FCD
Triadic#B400CD, #CDB400
Split complementary#CD007F, #CD4E00
Tetradic#4E00CD, #CD0019, #7FCD00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9AFFF3
Lighter +30%#67FFEC
Lighter +20%#34FFE6
Lighter +10%#01FFE0
Darker −10%#009A87
Darker −20%#00675A
Darker −30%#00342E
Darker −40%#000101
More saturated +25%#00CDB4
Less saturated −25%#1AB3A1

Channel breakdown

R0
G205
B180
Red0 (0%)
Green205 (80.4%)
Blue180 (70.6%)
Hue172.68°
Saturation (HSL)100%
Lightness40.2%
Dominant channelGreen
Hex per channelR 00 · G CD · B B4

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Every value on this page was computed from “00cdb4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.