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Recognised as Colour

#37C1AC

  • #37C1AC
  • Cyan
  • Dark
  • Nearest: Light seagreen

#37C1AC is a cyan with RGB values 55, 193, 172 and HSL 171°, 56%, 49%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#37C1AC#37C1AC
HEX#37C1AC
RGBrgb(55, 193, 172)
RGB (0–1)0.2157, 0.7569, 0.6745
RGB percentages21.6%, 75.7%, 67.5%
HSLhsl(170.9, 55.6%, 48.6%)
HSV / HSBhsv(170.9, 71.5%, 75.7%)
CMYK71.5%, 0%, 10.9%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,654,060
CSS custom property--colour: #37C1AC;

Brightness & contrast

Relative luminance0.41931WCAG 2.x, 0 is black and 1 is white
Perceived brightness161.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.39:1
Contrast with white2.24:1WCAG normal text: Fail
Contrast with black9.39:1WCAG normal text: AAA
Greyscale equivalent#A2A2A2
Inverted#C83E53

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B9B5ABno red cones; affects about 1% of men; ΔE 41.3 from the original
Deuteranopia#A6A7AEno green cones; the most common form, about 1% of men; ΔE 42.4 from the original
Tritanopia#00C4BBno blue cones; rare, and affects men and women equally; ΔE 7.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.24:1WCAG large text: Fail
Contrast with black, large text9.39:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 8.9Medium aquamarine · ΔE 10Medium turquoise · ΔE 11Turquoise · ΔE 11.6Dark turquoise · ΔE 14.3Dark cyan · ΔE 23.2
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 8.9, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C1374C
Analogous#37C167, #3791C1
Triadic#AC37C1, #C1AC37
Split complementary#C13791, #C16737
Tetradic#6737C1, #C1374C, #91C137

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2F2ED
Lighter +30%#AAE7DE
Lighter +20%#82DCCE
Lighter +10%#5BD0BE
Darker −10%#2C9989
Darker −20%#207265
Darker −30%#154A42
Darker −40%#0A221F
More saturated +25%#18E0C2
Less saturated −25%#56A296

Channel breakdown

R55
G193
B172
Red55 (21.6%)
Green193 (75.7%)
Blue172 (67.5%)
Hue170.87°
Saturation (HSL)55.65%
Lightness48.63%
Dominant channelGreen
Hex per channelR 37 · G C1 · B AC

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Every value on this page was computed from “37c1ac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.