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Recognised as Colour

#31DFDD

  • #31DFDD
  • Cyan
  • Light
  • Nearest: Dark turquoise

#31DFDD is a cyan with RGB values 49, 223, 221 and HSL 179°, 73%, 53%. 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

#31DFDD#31DFDD
HEX#31DFDD
RGBrgb(49, 223, 221)
RGB (0–1)0.1922, 0.8745, 0.8667
RGB percentages19.2%, 87.5%, 86.7%
HSLhsl(179.3, 73.1%, 53.3%)
HSV / HSBhsv(179.3, 78%, 87.5%)
CMYK78%, 0%, 0.9%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,268,573
CSS custom property--colour: #31DFDD;

Brightness & contrast

Relative luminance0.58649WCAG 2.x, 0 is black and 1 is white
Perceived brightness188.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.73:1
Contrast with white1.65:1WCAG normal text: Fail
Contrast with black12.73:1WCAG normal text: AAA
Greyscale equivalent#BABABA
Inverted#CE2022

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D0D4DDno red cones; affects about 1% of men; ΔE 42.6 from the original
Deuteranopia#B8C2DEno green cones; the most common form, about 1% of men; ΔE 44.2 from the original
Tritanopia#00E6DEno blue cones; rare, and affects men and women equally; ΔE 5.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.65:1WCAG large text: Fail
Contrast with black, large text12.73:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 6.4Medium turquoise · ΔE 6.7Turquoise · ΔE 7.6Aqua · ΔE 12.3Cyan · ΔE 12.3Light seagreen · ΔE 16.6
Nearest named CSS colourDark turquoise (#00CED1)ΔE 6.45, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF3133
Analogous#31DF86, #318ADF
Triadic#DD31DF, #DFDD31
Split complementary#DF318A, #DF8631
Tetradic#8631DF, #DF3133, #8ADF31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E2FAFA
Lighter +30%#B5F4F3
Lighter +20%#89EDEC
Lighter +10%#5DE6E4
Darker −10%#1EBFBD
Darker −20%#179392
Darker −30%#106766
Darker −40%#093B3A
More saturated +25%#13FDFA
Less saturated −25%#4FC1C0

Channel breakdown

R49
G223
B221
Red49 (19.2%)
Green223 (87.5%)
Blue221 (86.7%)
Hue179.31°
Saturation (HSL)73.11%
Lightness53.33%
Dominant channelGreen
Hex per channelR 31 · G DF · B DD

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Every value on this page was computed from “31dfdd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.