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Recognised as Colour

#51AE92

  • #51AE92
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#51AE92 is a cyan with RGB values 81, 174, 146 and HSL 162°, 36%, 50%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#51AE92#51AE92
HEX#51AE92
RGBrgb(81, 174, 146)
RGB (0–1)0.3176, 0.6824, 0.5725
RGB percentages31.8%, 68.2%, 57.3%
HSLhsl(161.9, 36.5%, 50%)
HSV / HSBhsv(161.9, 53.4%, 68.2%)
CMYK53.4%, 0%, 16.1%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,353,106
CSS custom property--colour: #51AE92;

Brightness & contrast

Relative luminance0.34097WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.82:1
Contrast with white2.69:1WCAG normal text: Fail
Contrast with black7.82:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#AE516D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A9A491no red cones; affects about 1% of men; ΔE 33.4 from the original
Deuteranopia#9B9A94no green cones; the most common form, about 1% of men; ΔE 33.9 from the original
Tritanopia#26AFA6no blue cones; rare, and affects men and women equally; ΔE 11.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.69:1WCAG large text: Fail
Contrast with black, large text7.82:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 11.5Light seagreen · ΔE 12.7Dark seagreen · ΔE 17.6Medium turquoise · ΔE 18.8Dark cyan · ΔE 20.1Sea green · ΔE 20.1
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 11.54, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AE516D
Analogous#51AE63, #519BAE
Triadic#9251AE, #AE9251
Split complementary#AE519B, #AE6451
Tetradic#6451AE, #AE516D, #9CAE51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCEFE9
Lighter +30%#B9DFD3
Lighter +20%#97CEBE
Lighter +10%#74BEA8
Darker −10%#418B75
Darker −20%#316858
Darker −30%#20463A
Darker −40%#10231D
More saturated +25%#31CE9F
Less saturated −25%#718E85

Channel breakdown

R81
G174
B146
Red81 (31.8%)
Green174 (68.2%)
Blue146 (57.3%)
Hue161.94°
Saturation (HSL)36.47%
Lightness50%
Dominant channelGreen
Hex per channelR 51 · G AE · B 92

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Every value on this page was computed from “51ae92” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.