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Recognised as Colour

#51F387

  • #51F387
  • Green
  • Light
  • Nearest: Medium spring green

#51F387 is a green with RGB values 81, 243, 135 and HSL 140°, 87%, 64%. It is a light colour, so black text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#51F387#51F387
HEX#51F387
RGBrgb(81, 243, 135)
RGB (0–1)0.3176, 0.9529, 0.5294
RGB percentages31.8%, 95.3%, 52.9%
HSLhsl(140, 87.1%, 63.5%)
HSV / HSBhsv(140, 66.7%, 95.3%)
CMYK66.7%, 0%, 44.4%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,370,759
CSS custom property--colour: #51F387;

Brightness & contrast

Relative luminance0.676WCAG 2.x, 0 is black and 1 is white
Perceived brightness196.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.52:1
Contrast with white1.45:1WCAG normal text: Fail
Contrast with black14.52:1WCAG normal text: AAA
Greyscale equivalent#C9C9C9
Inverted#AE0C78

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F4DF7Fno red cones; affects about 1% of men; ΔE 60.3 from the original
Deuteranopia#E0D18Eno green cones; the most common form, about 1% of men; ΔE 60.5 from the original
Tritanopia#00EFD9no blue cones; rare, and affects men and women equally; ΔE 44.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.45:1WCAG large text: Fail
Contrast with black, large text14.52:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 9.8Spring green · ΔE 14.3Pale green · ΔE 17.2Light green · ΔE 18.6Limegreen · ΔE 25.3Medium seagreen · ΔE 30.7
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 9.76, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F351BD
Analogous#6CF351, #51F3D8
Triadic#8751F3, #F38751
Split complementary#D851F3, #F3516C
Tetradic#516CF3, #F351BD, #F3D851

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E0FDEA
Lighter +20%#B0FAC9
Lighter +10%#81F6A8
Darker −10%#21F066
Darker −20%#0ED04F
Darker −30%#0BA03D
Darker −40%#08702B
More saturated +25%#45FF83
Less saturated −25%#68DC8F

Channel breakdown

R81
G243
B135
Red81 (31.8%)
Green243 (95.3%)
Blue135 (52.9%)
Hue140°
Saturation (HSL)87.1%
Lightness63.53%
Dominant channelGreen
Hex per channelR 51 · G F3 · B 87

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Every value on this page was computed from “51f387” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.