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Recognised as Colour

#37CCAB

  • #37CCAB
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#37CCAB is a cyan with RGB values 55, 204, 171 and HSL 167°, 59%, 51%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#37CCAB#37CCAB
HEX#37CCAB
RGBrgb(55, 204, 171)
RGB (0–1)0.2157, 0.8, 0.6706
RGB percentages21.6%, 80%, 67.1%
HSLhsl(166.7, 59.4%, 50.8%)
HSV / HSBhsv(166.7, 73%, 80%)
CMYK73%, 0%, 16.2%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,656,875
CSS custom property--colour: #37CCAB;

Brightness & contrast

Relative luminance0.46938WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.39:1
Contrast with white2.02:1WCAG normal text: Fail
Contrast with black10.39:1WCAG normal text: AAA
Greyscale equivalent#AAAAAA
Inverted#C83354

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C5BFA9no red cones; affects about 1% of men; ΔE 45.1 from the original
Deuteranopia#B1B0ADno green cones; the most common form, about 1% of men; ΔE 46.2 from the original
Tritanopia#00CEC2no blue cones; rare, and affects men and women equally; ΔE 11.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.02:1WCAG large text: Fail
Contrast with black, large text10.39:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 8.5Turquoise · ΔE 12Medium turquoise · ΔE 16.6Light seagreen · ΔE 16.8Aquamarine · ΔE 18.4Dark turquoise · ΔE 19.9
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 8.53, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CC3758
Analogous#37CC60, #37A3CC
Triadic#AB37CC, #CCAB37
Split complementary#CC37A3, #CC6037
Tetradic#6037CC, #CC3758, #A3CC37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAF5EF
Lighter +30%#B1EBDE
Lighter +20%#88E1CD
Lighter +10%#60D6BC
Darker −10%#2AA68A
Darker −20%#207D68
Darker −30%#165447
Darker −40%#0B2C25
More saturated +25%#18EBBC
Less saturated −25%#56AD9A

Channel breakdown

R55
G204
B171
Red55 (21.6%)
Green204 (80%)
Blue171 (67.1%)
Hue166.71°
Saturation (HSL)59.36%
Lightness50.78%
Dominant channelGreen
Hex per channelR 37 · G CC · B AB

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