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Recognised as Colour

#40FF3F

  • #40FF3F
  • Green
  • Light
  • Nearest: Lime

#40FF3F is a green with RGB values 64, 255, 63 and HSL 120°, 100%, 62%. It is a light colour, so black text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Lime.

Colour values

#40FF3F#40FF3F
HEX#40FF3F
RGBrgb(64, 255, 63)
RGB (0–1)0.251, 1, 0.2471
RGB percentages25.1%, 100%, 24.7%
HSLhsl(119.7, 100%, 62.4%)
HSV / HSBhsv(119.7, 75.3%, 100%)
CMYK74.9%, 0%, 75.3%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,259,647
CSS custom property--colour: #40FF3F;

Brightness & contrast

Relative luminance0.72969WCAG 2.x, 0 is black and 1 is white
Perceived brightness199.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.59:1
Contrast with white1.35:1WCAG normal text: Fail
Contrast with black15.59:1WCAG normal text: AAA
Greyscale equivalent#C9C9C9
Inverted#BF00C0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE70Dno red cones; affects about 1% of men; ΔE 71.4 from the original
Deuteranopia#F0D855no green cones; the most common form, about 1% of men; ΔE 73.4 from the original
Tritanopia#00F7DBno blue cones; rare, and affects men and women equally; ΔE 77.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.35:1WCAG large text: Fail
Contrast with black, large text15.59:1WCAG large text: AAA

Named colours

Lime · ΔE 12.4Lawn green · ΔE 16.6Chartreuse · ΔE 17.2Limegreen · ΔE 23Spring green · ΔE 26Green yellow · ΔE 28.5
Nearest named CSS colourLime (#00FF00)ΔE 12.37, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FE3FFF
Analogous#A0FF3F, #3FFF9E
Triadic#3F40FF, #FF3F40
Split complementary#9E3FFF, #FF3FA0
Tetradic#3FA0FF, #FE3FFF, #FF9E3F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D8FFD8
Lighter +20%#A5FFA5
Lighter +10%#73FF72
Darker −10%#0DFF0C
Darker −20%#01D800
Darker −30%#01A500
Darker −40%#017200
More saturated +25%#40FF3F
Less saturated −25%#58E757

Channel breakdown

R64
G255
B63
Red64 (25.1%)
Green255 (100%)
Blue63 (24.7%)
Hue119.69°
Saturation (HSL)100%
Lightness62.35%
Dominant channelGreen
Hex per channelR 40 · G FF · B 3F

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Every value on this page was computed from “40ff3f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.