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Recognised as Colour

#A9F100

  • #A9F100
  • Green
  • Light
  • Nearest: Green yellow

#A9F100 is a green with RGB values 169, 241, 0 and HSL 78°, 100%, 47%. It is a light colour, so black text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#A9F100#A9F100
HEX#A9F100
RGBrgb(169, 241, 0)
RGB (0–1)0.6627, 0.9451, 0
RGB percentages66.3%, 94.5%, 0%
HSLhsl(77.9, 100%, 47.3%)
HSV / HSBhsv(77.9, 100%, 94.5%)
CMYK29.9%, 0%, 100%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,137,280
CSS custom property--colour: #A9F100;

Brightness & contrast

Relative luminance0.71346WCAG 2.x, 0 is black and 1 is white
Perceived brightness206.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.27:1
Contrast with white1.38:1WCAG normal text: Fail
Contrast with black15.27:1WCAG normal text: AAA
Greyscale equivalent#D0D0D0
Inverted#560EFF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FDDF00no red cones; affects about 1% of men; ΔE 42.5 from the original
Deuteranopia#F4DA33no green cones; the most common form, about 1% of men; ΔE 42.4 from the original
Tritanopia#AFE6CDno blue cones; rare, and affects men and women equally; ΔE 82.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.38:1WCAG large text: Fail
Contrast with black, large text15.27:1WCAG large text: AAA

Named colours

Green yellow · ΔE 6.2Lawn green · ΔE 18.8Chartreuse · ΔE 19.1Yellow green · ΔE 24.1Yellow · ΔE 30.7Limegreen · ΔE 33.2
Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 6.23, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4800F1
Analogous#F1C000, #31F100
Triadic#00A9F1, #F100A9
Split complementary#0030F1, #C100F1
Tetradic#00F1C1, #4800F1, #F10030

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECFFBE
Lighter +30%#DCFF8B
Lighter +20%#CDFF58
Lighter +10%#BEFF25
Darker −10%#85BE00
Darker −20%#618B00
Darker −30%#3E5800
Darker −40%#1A2500
More saturated +25%#A9F100
Less saturated −25%#9DD31E

Channel breakdown

R169
G241
B0
Red169 (66.3%)
Green241 (94.5%)
Blue0 (0%)
Hue77.93°
Saturation (HSL)100%
Lightness47.25%
Dominant channelGreen
Hex per channelR A9 · G F1 · B 00

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Every value on this page was computed from “a9f100” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.