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Recognised as Colour

#A9DF00

  • #A9DF00
  • Green
  • Light
  • Nearest: Green yellow

#A9DF00 is a green with RGB values 169, 223, 0 and HSL 75°, 100%, 44%. It is a light colour, so black text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#A9DF00#A9DF00
HEX#A9DF00
RGBrgb(169, 223, 0)
RGB (0–1)0.6627, 0.8745, 0
RGB percentages66.3%, 87.5%, 0%
HSLhsl(74.5, 100%, 43.7%)
HSV / HSBhsv(74.5, 100%, 87.5%)
CMYK24.2%, 0%, 100%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,132,672
CSS custom property--colour: #A9DF00;

Brightness & contrast

Relative luminance0.6121WCAG 2.x, 0 is black and 1 is white
Perceived brightness194.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.24:1
Contrast with white1.59:1WCAG normal text: Fail
Contrast with black13.24:1WCAG normal text: AAA
Greyscale equivalent#C3C3C3
Inverted#5620FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ECCF00no red cones; affects about 1% of men; ΔE 35.6 from the original
Deuteranopia#E5CD2Eno green cones; the most common form, about 1% of men; ΔE 34.8 from the original
Tritanopia#B1D4BEno blue cones; rare, and affects men and women equally; ΔE 78.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.59:1WCAG large text: Fail
Contrast with black, large text13.24:1WCAG large text: AAA

Named colours

Green yellow · ΔE 14.6Yellow green · ΔE 15.9Lawn green · ΔE 27.5Chartreuse · ΔE 28.1Yellow · ΔE 28.2Limegreen · ΔE 33.7
Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 14.57, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3600DF
Analogous#DFA600, #39DF00
Triadic#00A9DF, #DF00A9
Split complementary#0039DF, #A600DF
Tetradic#00DFA6, #3600DF, #DF0039

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBFFAC
Lighter +30%#DFFF79
Lighter +20%#D2FF46
Lighter +10%#C6FF13
Darker −10%#82AC00
Darker −20%#5C7900
Darker −30%#354600
Darker −40%#0E1300
More saturated +25%#A9DF00
Less saturated −25%#9BC31C

Channel breakdown

R169
G223
B0
Red169 (66.3%)
Green223 (87.5%)
Blue0 (0%)
Hue74.53°
Saturation (HSL)100%
Lightness43.73%
Dominant channelGreen
Hex per channelR A9 · G DF · B 00

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Every value on this page was computed from “a9df00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.