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Colour

#40E440

  • #40E440
  • Green
  • Light
  • Nearest: Limegreen

#40E440 is a green with RGB values 64, 228, 64 and HSL 120°, 75%, 57%. It is a light colour, so black text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#40E440#40E440
HEX#40E440
RGBrgb(64, 228, 64)
RGB (0–1)0.251, 0.8941, 0.251
RGB percentages25.1%, 89.4%, 25.1%
HSLhsl(120, 75.2%, 57.3%)
HSV / HSBhsv(120, 71.9%, 89.4%)
CMYK71.9%, 0%, 71.9%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,252,736
CSS custom property--colour: #40E440;

Brightness & contrast

Relative luminance0.56947WCAG 2.x, 0 is black and 1 is white
Perceived brightness179.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.39:1
Contrast with white1.69:1WCAG normal text: Fail
Contrast with black12.39:1WCAG normal text: AAA
Greyscale equivalent#B5B5B5
Inverted#BF1BBF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E9CF23no red cones; affects about 1% of men; ΔE 65.9 from the original
Deuteranopia#D6C251no green cones; the most common form, about 1% of men; ΔE 65.2 from the original
Tritanopia#00DDC4no blue cones; rare, and affects men and women equally; ΔE 68 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.69:1WCAG large text: Fail
Contrast with black, large text12.39:1WCAG large text: AAA

Named colours

Limegreen · ΔE 9Spring green · ΔE 20Lawn green · ΔE 22.6Chartreuse · ΔE 23.8Lime · ΔE 25.3Green yellow · ΔE 28.2
Nearest named CSS colourLimegreen (#32CD32)ΔE 8.98, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E440E4
Analogous#92E440, #40E492
Triadic#4040E4, #E44040
Split complementary#9240E4, #E44092
Tetradic#4092E4, #E440E4, #E49240

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3FDF3
Lighter +30%#C6F7C6
Lighter +20%#99F199
Lighter +10%#6DEA6D
Darker −10%#1ED31E
Darker −20%#18A618
Darker −30%#117A11
Darker −40%#0B4D0B
More saturated +25%#25FF25
Less saturated −25%#5BC95B

Channel breakdown

R64
G228
B64
Red64 (25.1%)
Green228 (89.4%)
Blue64 (25.1%)
Hue120°
Saturation (HSL)75.23%
Lightness57.25%
Dominant channelGreen
Hex per channelR 40 · G E4 · B 40

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Every value on this page was computed from “40e440” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.