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Recognised as Colour

#42E41F

  • #42E41F
  • Green
  • Light
  • Nearest: Limegreen

#42E41F is a green with RGB values 66, 228, 31 and HSL 109°, 78%, 51%. It is a light colour, so black text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#42E41F#42E41F
HEX#42E41F
RGBrgb(66, 228, 31)
RGB (0–1)0.2588, 0.8941, 0.1216
RGB percentages25.9%, 89.4%, 12.2%
HSLhsl(109.3, 78.5%, 50.8%)
HSV / HSBhsv(109.3, 86.4%, 89.4%)
CMYK71.1%, 0%, 86.4%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,383,775
CSS custom property--colour: #42E41F;

Brightness & contrast

Relative luminance0.56744WCAG 2.x, 0 is black and 1 is white
Perceived brightness178.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.35:1
Contrast with white1.7:1WCAG normal text: Fail
Contrast with black12.35:1WCAG normal text: AAA
Greyscale equivalent#B3B3B3
Inverted#BD1BE0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#EACE00no red cones; affects about 1% of men; ΔE 67.1 from the original
Deuteranopia#D8C23Dno green cones; the most common form, about 1% of men; ΔE 66.5 from the original
Tritanopia#13DDC2no blue cones; rare, and affects men and women equally; ΔE 76.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.7:1WCAG large text: Fail
Contrast with black, large text12.35:1WCAG large text: AAA

Named colours

Limegreen · ΔE 15.1Lawn green · ΔE 15.3Chartreuse · ΔE 16.4Lime · ΔE 18.4Green yellow · ΔE 24.9Spring green · ΔE 28
Nearest named CSS colourLimegreen (#32CD32)ΔE 15.12, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C11FE4
Analogous#A4E41F, #1FE45F
Triadic#1F42E4, #E41F42
Split complementary#5E1FE4, #E41FA5
Tetradic#1FA5E4, #C11FE4, #E45F1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCFAD5
Lighter +30%#B5F4A8
Lighter +20%#8FEF7A
Lighter +10%#68E94D
Darker −10%#33BA16
Darker −20%#278C11
Darker −30%#1A5F0B
Darker −40%#0E3106
More saturated +25%#31FF04
Less saturated −25%#56C53E

Channel breakdown

R66
G228
B31
Red66 (25.9%)
Green228 (89.4%)
Blue31 (12.2%)
Hue109.34°
Saturation (HSL)78.49%
Lightness50.78%
Dominant channelGreen
Hex per channelR 42 · G E4 · B 1F

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Every value on this page was computed from “42e41f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.