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Recognised as Colour

#51FDA9

  • #51FDA9
  • Cyan
  • Light
  • Nearest: Medium spring green

#51FDA9 is a cyan with RGB values 81, 253, 169 and HSL 151°, 98%, 65%. It is a light colour, so black text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#51FDA9#51FDA9
HEX#51FDA9
RGBrgb(81, 253, 169)
RGB (0–1)0.3176, 0.9922, 0.6627
RGB percentages31.8%, 99.2%, 66.3%
HSLhsl(150.7, 97.7%, 65.5%)
HSV / HSBhsv(150.7, 68%, 99.2%)
CMYK68%, 0%, 33.2%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,373,353
CSS custom property--colour: #51FDA9;

Brightness & contrast

Relative luminance0.74864WCAG 2.x, 0 is black and 1 is white
Perceived brightness206.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.97:1
Contrast with white1.31:1WCAG normal text: Fail
Contrast with black15.97:1WCAG normal text: AAA
Greyscale equivalent#D2D2D2
Inverted#AE0256

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FBEAA4no red cones; affects about 1% of men; ΔE 58.9 from the original
Deuteranopia#E5DAAEno green cones; the most common form, about 1% of men; ΔE 59.5 from the original
Tritanopia#00FBE7no blue cones; rare, and affects men and women equally; ΔE 33.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.31:1WCAG large text: Fail
Contrast with black, large text15.97:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 9.8Pale green · ΔE 17.8Light green · ΔE 18.7Spring green · ΔE 24.2Aquamarine · ΔE 24.8Medium seagreen · ΔE 28.1
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 9.78, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FD51A5
Analogous#51FD53, #51FBFD
Triadic#A951FD, #FDA951
Split complementary#FD51FB, #FD5351
Tetradic#5351FD, #FD51A5, #FBFD51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E8FFF4
Lighter +20%#B6FEDB
Lighter +10%#83FEC2
Darker −10%#1FFC90
Darker −20%#03E577
Darker −30%#02B35D
Darker −40%#018142
More saturated +25%#4FFFA9
Less saturated −25%#67E7A8

Channel breakdown

R81
G253
B169
Red81 (31.8%)
Green253 (99.2%)
Blue169 (66.3%)
Hue150.7°
Saturation (HSL)97.73%
Lightness65.49%
Dominant channelGreen
Hex per channelR 51 · G FD · B A9

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Every value on this page was computed from “51fda9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.