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Recognised as Colour

#ACD909

  • #ACD909
  • Green
  • Light
  • Nearest: Yellow green

#ACD909 is a green with RGB values 172, 217, 9 and HSL 73°, 92%, 44%. It is a light colour, so black text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#ACD909#ACD909
HEX#ACD909
RGBrgb(172, 217, 9)
RGB (0–1)0.6745, 0.851, 0.0353
RGB percentages67.5%, 85.1%, 3.5%
HSLhsl(73, 92%, 44.3%)
HSV / HSBhsv(73, 95.9%, 85.1%)
CMYK20.7%, 0%, 95.9%, 14.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,327,753
CSS custom property--colour: #ACD909;

Brightness & contrast

Relative luminance0.58416WCAG 2.x, 0 is black and 1 is white
Perceived brightness191 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.68:1
Contrast with white1.66:1WCAG normal text: Fail
Contrast with black12.68:1WCAG normal text: AAA
Greyscale equivalent#C0C0C0
Inverted#5326F6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E6CA00no red cones; affects about 1% of men; ΔE 31.6 from the original
Deuteranopia#E0C92Eno green cones; the most common form, about 1% of men; ΔE 30.7 from the original
Tritanopia#B5CEB9no blue cones; rare, and affects men and women equally; ΔE 75.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.66:1WCAG large text: Fail
Contrast with black, large text12.68:1WCAG large text: AAA

Named colours

Yellow green · ΔE 13.2Green yellow · ΔE 18.8Yellow · ΔE 27.5Lawn green · ΔE 31.9Chartreuse · ΔE 32.5Limegreen · ΔE 35.4
Nearest named CSS colourYellow green (#9ACD32)ΔE 13.21, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3609D9
Analogous#D99E09, #44D909
Triadic#09ACD9, #D909AC
Split complementary#0944D9, #9E09D9
Tetradic#09D99E, #3609D9, #D90944

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECFCB2
Lighter +30%#E0FA81
Lighter +20%#D4F850
Lighter +10%#C7F61F
Darker −10%#85A807
Darker −20%#5E7705
Darker −30%#384603
Darker −40%#111501
More saturated +25%#B1E200
Less saturated −25%#9CBD25

Channel breakdown

R172
G217
B9
Red172 (67.5%)
Green217 (85.1%)
Blue9 (3.5%)
Hue72.98°
Saturation (HSL)92.04%
Lightness44.31%
Dominant channelGreen
Hex per channelR AC · G D9 · B 09

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Every value on this page was computed from “acd909” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.