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Recognised as Colour

#39DEDE

  • #39DEDE
  • Cyan
  • Light
  • Nearest: Dark turquoise

#39DEDE is a cyan with RGB values 57, 222, 222 and HSL 180°, 71%, 55%. It is a light colour, so black text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#39DEDE#39DEDE
HEX#39DEDE
RGBrgb(57, 222, 222)
RGB (0–1)0.2235, 0.8706, 0.8706
RGB percentages22.4%, 87.1%, 87.1%
HSLhsl(180, 71.4%, 54.7%)
HSV / HSBhsv(180, 74.3%, 87.1%)
CMYK74.3%, 0%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,792,606
CSS custom property--colour: #39DEDE;

Brightness & contrast

Relative luminance0.58386WCAG 2.x, 0 is black and 1 is white
Perceived brightness188.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.68:1
Contrast with white1.66:1WCAG normal text: Fail
Contrast with black12.68:1WCAG normal text: AAA
Greyscale equivalent#BBBBBB
Inverted#C62121

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CFD3DEno red cones; affects about 1% of men; ΔE 41.5 from the original
Deuteranopia#B8C2DFno green cones; the most common form, about 1% of men; ΔE 42.9 from the original
Tritanopia#00E5DEno blue cones; rare, and affects men and women equally; ΔE 6.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.66:1WCAG large text: Fail
Contrast with black, large text12.68:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 5.9Medium turquoise · ΔE 6.1Turquoise · ΔE 8.9Aqua · ΔE 13.1Cyan · ΔE 13.1Light seagreen · ΔE 16.4
Nearest named CSS colourDark turquoise (#00CED1)ΔE 5.87, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DE3939
Analogous#39DE8C, #398CDE
Triadic#DE39DE, #DEDE39
Split complementary#DE398C, #DE8C39
Tetradic#8C39DE, #DE3939, #8CDE39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E8FBFB
Lighter +30%#BCF4F4
Lighter +20%#90EDED
Lighter +10%#65E5E5
Darker −10%#21C3C3
Darker −20%#199898
Darker −30%#126C6C
Darker −40%#0B4040
More saturated +25%#1CFBFB
Less saturated −25%#56C1C1

Channel breakdown

R57
G222
B222
Red57 (22.4%)
Green222 (87.1%)
Blue222 (87.1%)
Hue180°
Saturation (HSL)71.43%
Lightness54.71%
Dominant channelGreen and Blue
Hex per channelR 39 · G DE · B DE

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Every value on this page was computed from “39dede” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.