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Recognised as Colour

#40E900

  • #40E900
  • Green
  • Light
  • Nearest: Lawn green

#40E900 is a green with RGB values 64, 233, 0 and HSL 104°, 100%, 46%. It is a light colour, so black text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Lawn green.

Colour values

#40E900#40E900
HEX#40E900
RGBrgb(64, 233, 0)
RGB (0–1)0.251, 0.9137, 0
RGB percentages25.1%, 91.4%, 0%
HSLhsl(103.5, 100%, 45.7%)
HSV / HSBhsv(103.5, 100%, 91.4%)
CMYK72.5%, 0%, 100%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,253,952
CSS custom property--colour: #40E900;

Brightness & contrast

Relative luminance0.59368WCAG 2.x, 0 is black and 1 is white
Perceived brightness181.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.87:1
Contrast with white1.63:1WCAG normal text: Fail
Contrast with black12.87:1WCAG normal text: AAA
Greyscale equivalent#B4B4B4
Inverted#BF16FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#EFD200no red cones; affects about 1% of men; ΔE 69.2 from the original
Deuteranopia#DDC634no green cones; the most common form, about 1% of men; ΔE 68.8 from the original
Tritanopia#06E1C6no blue cones; rare, and affects men and women equally; ΔE 81.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.63:1WCAG large text: Fail
Contrast with black, large text12.87:1WCAG large text: AAA

Named colours

Lawn green · ΔE 12.2Chartreuse · ΔE 13.2Lime · ΔE 13.6Limegreen · ΔE 20.8Green yellow · ΔE 25.2Spring green · ΔE 32.2
Nearest named CSS colourLawn green (#7CFC00)ΔE 12.24, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A900E9
Analogous#B4E900, #00E935
Triadic#0040E9, #E90040
Split complementary#3400E9, #E900B5
Tetradic#00B5E9, #A900E9, #E93500

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAFFB6
Lighter +30%#A5FF83
Lighter +20%#80FF50
Lighter +10%#5BFF1D
Darker −10%#32B600
Darker −20%#248300
Darker −30%#165000
Darker −40%#081D00
More saturated +25%#40E900
Less saturated −25%#4DCC1D

Channel breakdown

R64
G233
B0
Red64 (25.1%)
Green233 (91.4%)
Blue0 (0%)
Hue103.52°
Saturation (HSL)100%
Lightness45.69%
Dominant channelGreen
Hex per channelR 40 · G E9 · B 00

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Every value on this page was computed from “40e900” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.