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Recognised as Colour

#3FFF91

  • #3FFF91
  • Green
  • Light
  • Nearest: Medium spring green

#3FFF91 is a green with RGB values 63, 255, 145 and HSL 146°, 100%, 62%. It is a light colour, so black text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#3FFF91#3FFF91
HEX#3FFF91
RGBrgb(63, 255, 145)
RGB (0–1)0.2471, 1, 0.5686
RGB percentages24.7%, 100%, 56.9%
HSLhsl(145.6, 100%, 62.4%)
HSV / HSBhsv(145.6, 75.3%, 100%)
CMYK75.3%, 0%, 43.1%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,194,193
CSS custom property--colour: #3FFF91;

Brightness & contrast

Relative luminance0.74621WCAG 2.x, 0 is black and 1 is white
Perceived brightness204.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.92:1
Contrast with white1.32:1WCAG normal text: Fail
Contrast with black15.92:1WCAG normal text: AAA
Greyscale equivalent#CECECE
Inverted#C0006E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEA89no red cones; affects about 1% of men; ΔE 65.3 from the original
Deuteranopia#E9DA99no green cones; the most common form, about 1% of men; ΔE 65.9 from the original
Tritanopia#00FBE4no blue cones; rare, and affects men and women equally; ΔE 45.3 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 text15.92:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 7.3Spring green · ΔE 10.3Pale green · ΔE 21.7Light green · ΔE 23.9Limegreen · ΔE 27.7Medium seagreen · ΔE 35.7
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 7.28, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF3FAD
Analogous#4DFF3F, #3FFFF1
Triadic#913FFF, #FF913F
Split complementary#F13FFF, #FF3F4D
Tetradic#3F4DFF, #FF3FAD, #FFF13F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D8FFE9
Lighter +20%#A5FFCB
Lighter +10%#72FFAE
Darker −10%#0CFF74
Darker −20%#00D85C
Darker −30%#00A546
Darker −40%#007231
More saturated +25%#3FFF91
Less saturated −25%#57E795

Channel breakdown

R63
G255
B145
Red63 (24.7%)
Green255 (100%)
Blue145 (56.9%)
Hue145.63°
Saturation (HSL)100%
Lightness62.35%
Dominant channelGreen
Hex per channelR 3F · G FF · B 91

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Every value on this page was computed from “3fff91” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.