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Recognised as Colour

#37DCDB

  • #37DCDB
  • Cyan
  • Light
  • Nearest: Dark turquoise

#37DCDB is a cyan with RGB values 55, 220, 219 and HSL 180°, 70%, 54%. It is a light colour, so black text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#37DCDB#37DCDB
HEX#37DCDB
RGBrgb(55, 220, 219)
RGB (0–1)0.2157, 0.8627, 0.8588
RGB percentages21.6%, 86.3%, 85.9%
HSLhsl(179.6, 70.2%, 53.9%)
HSV / HSBhsv(179.6, 75%, 86.3%)
CMYK75%, 0%, 0.5%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,661,019
CSS custom property--colour: #37DCDB;

Brightness & contrast

Relative luminance0.57113WCAG 2.x, 0 is black and 1 is white
Perceived brightness186.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.42:1
Contrast with white1.69:1WCAG normal text: Fail
Contrast with black12.42:1WCAG normal text: AAA
Greyscale equivalent#B9B9B9
Inverted#C82324

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CED1DBno red cones; affects about 1% of men; ΔE 41.8 from the original
Deuteranopia#B6C0DCno green cones; the most common form, about 1% of men; ΔE 42.8 from the original
Tritanopia#00E3DBno blue cones; rare, and affects men and women equally; ΔE 6.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.69:1WCAG large text: Fail
Contrast with black, large text12.42:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 5.4Medium turquoise · ΔE 5.4Turquoise · ΔE 8.4Aqua · ΔE 13.6Cyan · ΔE 13.6Light seagreen · ΔE 15.6
Nearest named CSS colourDark turquoise (#00CED1)ΔE 5.38, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DC3738
Analogous#37DC88, #378BDC
Triadic#DB37DC, #DCDB37
Split complementary#DC378B, #DC8937
Tetradic#8937DC, #DC3738, #8BDC37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5FAFA
Lighter +30%#B9F3F2
Lighter +20%#8EEBEB
Lighter +10%#62E4E3
Darker −10%#21BFBE
Darker −20%#1A9392
Darker −30%#126867
Darker −40%#0B3C3C
More saturated +25%#1AF9F8
Less saturated −25%#54BFBE

Channel breakdown

R55
G220
B219
Red55 (21.6%)
Green220 (86.3%)
Blue219 (85.9%)
Hue179.64°
Saturation (HSL)70.21%
Lightness53.92%
Dominant channelGreen
Hex per channelR 37 · G DC · B DB

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Every value on this page was computed from “37dcdb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.