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Recognised as Colour

#57FF66

  • #57FF66
  • Green
  • Light
  • Nearest: Spring green

#57FF66 is a green with RGB values 87, 255, 102 and HSL 125°, 100%, 67%. It is a light colour, so black text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#57FF66#57FF66
HEX#57FF66
RGBrgb(87, 255, 102)
RGB (0–1)0.3412, 1, 0.4
RGB percentages34.1%, 100%, 40%
HSLhsl(125.4, 100%, 67.1%)
HSV / HSBhsv(125.4, 65.9%, 100%)
CMYK65.9%, 0%, 60%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,767,014
CSS custom property--colour: #57FF66;

Brightness & contrast

Relative luminance0.74506WCAG 2.x, 0 is black and 1 is white
Perceived brightness204 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.9:1
Contrast with white1.32:1WCAG normal text: Fail
Contrast with black15.9:1WCAG normal text: AAA
Greyscale equivalent#D0D0D0
Inverted#A80099

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE855no red cones; affects about 1% of men; ΔE 65.1 from the original
Deuteranopia#EFDB73no green cones; the most common form, about 1% of men; ΔE 66.3 from the original
Tritanopia#26F8DEno blue cones; rare, and affects men and women equally; ΔE 63.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.32:1WCAG large text: Fail
Contrast with black, large text15.9:1WCAG large text: AAA

Named colours

Spring green · ΔE 13.2Limegreen · ΔE 17.4Lawn green · ΔE 26Chartreuse · ΔE 26.8Medium spring green · ΔE 26.9Lime · ΔE 27.7
Nearest named CSS colourSpring green (#00FF7F)ΔE 13.15, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF57F0
Analogous#9CFF57, #57FFBA
Triadic#6657FF, #FF6657
Split complementary#BA57FF, #FF579C
Tetradic#579CFF, #FF57F0, #FFBA57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F0FFF1
Lighter +20%#BDFFC3
Lighter +10%#8AFF94
Darker −10%#24FF38
Darker −20%#00F015
Darker −30%#00BD11
Darker −40%#008A0C
More saturated +25%#57FF66
Less saturated −25%#6CEA77

Channel breakdown

R87
G255
B102
Red87 (34.1%)
Green255 (100%)
Blue102 (40%)
Hue125.36°
Saturation (HSL)100%
Lightness67.06%
Dominant channelGreen
Hex per channelR 57 · G FF · B 66

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Every value on this page was computed from “57ff66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.