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Recognised as Colour

#A4EF18

  • #A4EF18
  • Green
  • Light
  • Nearest: Green yellow

#A4EF18 is a green with RGB values 164, 239, 24 and HSL 81°, 87%, 52%. It is a light colour, so black text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#A4EF18#A4EF18
HEX#A4EF18
RGBrgb(164, 239, 24)
RGB (0–1)0.6431, 0.9373, 0.0941
RGB percentages64.3%, 93.7%, 9.4%
HSLhsl(80.9, 87%, 51.6%)
HSV / HSBhsv(80.9, 90%, 93.7%)
CMYK31.4%, 0%, 90%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,809,112
CSS custom property--colour: #A4EF18;

Brightness & contrast

Relative luminance0.69691WCAG 2.x, 0 is black and 1 is white
Perceived brightness204.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.94:1
Contrast with white1.41:1WCAG normal text: Fail
Contrast with black14.94:1WCAG normal text: AAA
Greyscale equivalent#D0D0D0
Inverted#5B10E7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FBDD00no red cones; affects about 1% of men; ΔE 43.6 from the original
Deuteranopia#F1D839no green cones; the most common form, about 1% of men; ΔE 42.9 from the original
Tritanopia#A9E4CCno blue cones; rare, and affects men and women equally; ΔE 80.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.41:1WCAG large text: Fail
Contrast with black, large text14.94:1WCAG large text: AAA

Named colours

Green yellow · ΔE 5.8Lawn green · ΔE 18.5Chartreuse · ΔE 19Yellow green · ΔE 21.8Limegreen · ΔE 30.3Yellow · ΔE 32.6
Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 5.79, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6318EF
Analogous#EFCF18, #38EF18
Triadic#18A4EF, #EF18A4
Split complementary#1838EF, #CF18EF
Tetradic#18EFCF, #6318EF, #EF1838

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFFCD7
Lighter +30%#DCF9A7
Lighter +20%#CAF677
Lighter +10%#B7F248
Darker −10%#86C60E
Darker −20%#66970A
Darker −30%#456707
Darker −40%#253704
More saturated +25%#A9FF08
Less saturated −25%#9BD037

Channel breakdown

R164
G239
B24
Red164 (64.3%)
Green239 (93.7%)
Blue24 (9.4%)
Hue80.93°
Saturation (HSL)87.04%
Lightness51.57%
Dominant channelGreen
Hex per channelR A4 · G EF · B 18

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Every value on this page was computed from “a4ef18” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.