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Recognised as Colour

#56B6AD

  • #56B6AD
  • Cyan
  • Dark
  • Nearest: Light seagreen

#56B6AD is a cyan with RGB values 86, 182, 173 and HSL 174°, 40%, 53%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#56B6AD#56B6AD
HEX#56B6AD
RGBrgb(86, 182, 173)
RGB (0–1)0.3373, 0.7137, 0.6784
RGB percentages33.7%, 71.4%, 67.8%
HSLhsl(174.4, 39.7%, 52.5%)
HSV / HSBhsv(174.4, 52.7%, 71.4%)
CMYK52.7%, 0%, 4.9%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,682,861
CSS custom property--colour: #56B6AD;

Brightness & contrast

Relative luminance0.38451WCAG 2.x, 0 is black and 1 is white
Perceived brightness158.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.69:1
Contrast with white2.42:1WCAG normal text: Fail
Contrast with black8.69:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#A94952

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AEADADno red cones; affects about 1% of men; ΔE 31.2 from the original
Deuteranopia#9EA2AEno green cones; the most common form, about 1% of men; ΔE 31.6 from the original
Tritanopia#12BAB3no blue cones; rare, and affects men and women equally; ΔE 9.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.42:1WCAG large text: Fail
Contrast with black, large text8.69:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 7.8Medium turquoise · ΔE 11.8Cadetblue · ΔE 13.4Dark turquoise · ΔE 15.1Medium aquamarine · ΔE 16.4Dark cyan · ΔE 16.9
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 7.83, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B6565F
Analogous#56B67D, #568FB6
Triadic#AD56B6, #B6AD56
Split complementary#B6568F, #B67D56
Tetradic#7D56B6, #B6565F, #8FB656

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4F4F2
Lighter +30%#C1E4E1
Lighter +20%#9DD5D0
Lighter +10%#7AC5BE
Darker −10%#41988F
Darker −20%#32746E
Darker −30%#23504C
Darker −40%#132D2A
More saturated +25%#38D4C6
Less saturated −25%#749894

Channel breakdown

R86
G182
B173
Red86 (33.7%)
Green182 (71.4%)
Blue173 (67.8%)
Hue174.38°
Saturation (HSL)39.67%
Lightness52.55%
Dominant channelGreen
Hex per channelR 56 · G B6 · B AD

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Every value on this page was computed from “56b6ad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.