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Recognised as Colour

#40D91F

  • #40D91F
  • Green
  • Light
  • Nearest: Limegreen

#40D91F is a green with RGB values 64, 217, 31 and HSL 109°, 75%, 49%. It is a light colour, so black text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#40D91F#40D91F
HEX#40D91F
RGBrgb(64, 217, 31)
RGB (0–1)0.251, 0.851, 0.1216
RGB percentages25.1%, 85.1%, 12.2%
HSLhsl(109.4, 75%, 48.6%)
HSV / HSBhsv(109.4, 85.7%, 85.1%)
CMYK70.5%, 0%, 85.7%, 14.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,249,887
CSS custom property--colour: #40D91F;

Brightness & contrast

Relative luminance0.50815WCAG 2.x, 0 is black and 1 is white
Perceived brightness170.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.16:1
Contrast with white1.88:1WCAG normal text: Fail
Contrast with black11.16:1WCAG normal text: AAA
Greyscale equivalent#ABABAB
Inverted#BF26E0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DFC400no red cones; affects about 1% of men; ΔE 64.4 from the original
Deuteranopia#CDB83Ano green cones; the most common form, about 1% of men; ΔE 63.8 from the original
Tritanopia#17D2B9no blue cones; rare, and affects men and women equally; ΔE 73.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.88:1WCAG large text: Fail
Contrast with black, large text11.16:1WCAG large text: AAA

Named colours

Limegreen · ΔE 10.1Lawn green · ΔE 19.2Chartreuse · ΔE 20.4Lime · ΔE 23.8Green yellow · ΔE 25.7Spring green · ΔE 27.2
Nearest named CSS colourLimegreen (#32CD32)ΔE 10.07, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B81FD9
Analogous#9DD91F, #1FD95B
Triadic#1F40D9, #D91F40
Split complementary#5B1FD9, #D91F9D
Tetradic#1F9DD9, #B81FD9, #D95B1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4F8CC
Lighter +30%#AEF1A0
Lighter +20%#88EB73
Lighter +10%#62E546
Darker −10%#33AC19
Darker −20%#268012
Darker −30%#19530C
Darker −40%#0B2605
More saturated +25%#2CF800
Less saturated −25%#54BA3E

Channel breakdown

R64
G217
B31
Red64 (25.1%)
Green217 (85.1%)
Blue31 (12.2%)
Hue109.35°
Saturation (HSL)75%
Lightness48.63%
Dominant channelGreen
Hex per channelR 40 · G D9 · B 1F

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Every value on this page was computed from “40d91f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.