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Recognised as Colour

#37DDB6

  • #37DDB6
  • Cyan
  • Light
  • Nearest: Medium aquamarine

#37DDB6 is a cyan with RGB values 55, 221, 182 and HSL 166°, 71%, 54%. It is a light colour, so black text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#37DDB6#37DDB6
HEX#37DDB6
RGBrgb(55, 221, 182)
RGB (0–1)0.2157, 0.8667, 0.7137
RGB percentages21.6%, 86.7%, 71.4%
HSLhsl(165.9, 70.9%, 54.1%)
HSV / HSBhsv(165.9, 75.1%, 86.7%)
CMYK75.1%, 0%, 17.6%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,661,238
CSS custom property--colour: #37DDB6;

Brightness & contrast

Relative luminance0.55903WCAG 2.x, 0 is black and 1 is white
Perceived brightness182.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.18:1
Contrast with white1.72:1WCAG normal text: Fail
Contrast with black12.18:1WCAG normal text: AAA
Greyscale equivalent#B7B7B7
Inverted#C82249

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D6CEB4no red cones; affects about 1% of men; ΔE 49.6 from the original
Deuteranopia#C0BFB9no green cones; the most common form, about 1% of men; ΔE 50 from the original
Tritanopia#00DFD2no blue cones; rare, and affects men and women equally; ΔE 14.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.72:1WCAG large text: Fail
Contrast with black, large text12.18:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 12.8Turquoise · ΔE 13.1Aquamarine · ΔE 13.7Medium turquoise · ΔE 20.6Medium seagreen · ΔE 22.3Light seagreen · ΔE 23.3
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 12.85, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD375E
Analogous#37DD63, #37B1DD
Triadic#B637DD, #DDB637
Split complementary#DD37B1, #DD6337
Tetradic#6337DD, #DD375E, #B1DD37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5FBF6
Lighter +30%#BAF3E6
Lighter +20%#8EECD6
Lighter +10%#63E4C6
Darker −10%#21C09B
Darker −20%#199578
Darker −30%#126955
Darker −40%#0A3E32
More saturated +25%#1AFAC6
Less saturated −25%#54C0A6

Channel breakdown

R55
G221
B182
Red55 (21.6%)
Green221 (86.7%)
Blue182 (71.4%)
Hue165.9°
Saturation (HSL)70.94%
Lightness54.12%
Dominant channelGreen
Hex per channelR 37 · G DD · B B6

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Every value on this page was computed from “37ddb6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.