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Recognised as Colour

#37DFB3

  • #37DFB3
  • Cyan
  • Light
  • Nearest: Aquamarine

#37DFB3 is a cyan with RGB values 55, 223, 179 and HSL 164°, 72%, 55%. It is a light colour, so black text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#37DFB3#37DFB3
HEX#37DFB3
RGBrgb(55, 223, 179)
RGB (0–1)0.2157, 0.8745, 0.702
RGB percentages21.6%, 87.5%, 70.2%
HSLhsl(164.3, 72.4%, 54.5%)
HSV / HSBhsv(164.3, 75.3%, 87.5%)
CMYK75.3%, 0%, 19.7%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,661,747
CSS custom property--colour: #37DFB3;

Brightness & contrast

Relative luminance0.56842WCAG 2.x, 0 is black and 1 is white
Perceived brightness183.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.37:1
Contrast with white1.7:1WCAG normal text: Fail
Contrast with black12.37:1WCAG normal text: AAA
Greyscale equivalent#B8B8B8
Inverted#C8204C

Colour vision & accessibility

Protanopia#D8D0B1no red cones; affects about 1% of men; ΔE 50.3 from the original
Deuteranopia#C3C0B6no green cones; the most common form, about 1% of men; ΔE 51.6 from the original
Tritanopia#00E1D2no blue cones; rare, and affects men and women equally; ΔE 15.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.7:1WCAG large text: Fail
Contrast with black, large text12.37:1WCAG large text: AAA

Named colours

Nearest named CSS colourAquamarine (#7FFFD4)ΔE 13.63, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#DF3763
Analogous#37DF5F, #37B7DF
Triadic#B337DF, #DFB337
Split complementary#DF37B7, #DF5F37
Tetradic#5F37DF, #DF3763, #B7DF37

Tints, shades & saturation

Lighter +40%#E7FBF6
Lighter +30%#BBF4E5
Lighter +20%#8FEDD4
Lighter +10%#63E6C4
Darker −10%#1FC499
Darker −20%#189876
Darker −30%#116C54
Darker −40%#0A4032
More saturated +25%#1AFCC1
Less saturated −25%#54C2A5

Channel breakdown

R55
G223
B179
Red55 (21.6%)
Green223 (87.5%)
Blue179 (70.2%)
Hue164.29°
Saturation (HSL)72.41%
Lightness54.51%
Dominant channelGreen
Hex per channelR 37 · G DF · B B3

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Every value on this page was computed from “37dfb3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.