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Colour

#51F8D2

  • #51F8D2
  • Cyan
  • Light
  • Nearest: Aquamarine

#51F8D2 is a cyan with RGB values 81, 248, 210 and HSL 166°, 92%, 65%. It is a light colour, so black text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#51F8D2#51F8D2
HEX#51F8D2
RGBrgb(81, 248, 210)
RGB (0–1)0.3176, 0.9725, 0.8235
RGB percentages31.8%, 97.3%, 82.4%
HSLhsl(166.3, 92.3%, 64.5%)
HSV / HSBhsv(166.3, 67.3%, 97.3%)
CMYK67.3%, 0%, 15.3%, 2.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,372,114
CSS custom property--colour: #51F8D2;

Brightness & contrast

Relative luminance0.73537WCAG 2.x, 0 is black and 1 is white
Perceived brightness207.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.71:1
Contrast with white1.34:1WCAG normal text: Fail
Contrast with black15.71:1WCAG normal text: AAA
Greyscale equivalent#D2D2D2
Inverted#AE072D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F0E9D0no red cones; affects about 1% of men; ΔE 50.4 from the original
Deuteranopia#D9D8D5no green cones; the most common form, about 1% of men; ΔE 51.5 from the original
Tritanopia#00FBEDno blue cones; rare, and affects men and women equally; ΔE 13.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.34:1WCAG large text: Fail
Contrast with black, large text15.71:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 7.9Turquoise · ΔE 14.4Medium aquamarine · ΔE 18.7Aqua · ΔE 20.4Cyan · ΔE 20.4Medium turquoise · ΔE 23.2
Nearest named CSS colourAquamarine (#7FFFD4)ΔE 7.89, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F85177
Analogous#51F87F, #51CAF8
Triadic#D251F8, #F8D251
Split complementary#F851CB, #F87E51
Tetradic#7E51F8, #F85177, #CBF851

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E4FEF8
Lighter +20%#B3FCEB
Lighter +10%#82FADF
Darker −10%#20F6C5
Darker −20%#09DAAB
Darker −30%#07A984
Darker −40%#05785E
More saturated +25%#4AFFD6
Less saturated −25%#68E1C6

Channel breakdown

R81
G248
B210
Red81 (31.8%)
Green248 (97.3%)
Blue210 (82.4%)
Hue166.35°
Saturation (HSL)92.27%
Lightness64.51%
Dominant channelGreen
Hex per channelR 51 · G F8 · B D2

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Every value on this page was computed from “51f8d2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.