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Colour

#A9DB00

  • #A9DB00
  • Green
  • Light
  • Nearest: Yellow green

#A9DB00 is a green with RGB values 169, 219, 0 and HSL 74°, 100%, 43%. It is a light colour, so black text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#A9DB00#A9DB00
HEX#A9DB00
RGBrgb(169, 219, 0)
RGB (0–1)0.6627, 0.8588, 0
RGB percentages66.3%, 85.9%, 0%
HSLhsl(73.7, 100%, 42.9%)
HSV / HSBhsv(73.7, 100%, 85.9%)
CMYK22.8%, 0%, 100%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,131,648
CSS custom property--colour: #A9DB00;

Brightness & contrast

Relative luminance0.59098WCAG 2.x, 0 is black and 1 is white
Perceived brightness191.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.82:1
Contrast with white1.64:1WCAG normal text: Fail
Contrast with black12.82:1WCAG normal text: AAA
Greyscale equivalent#C1C1C1
Inverted#5624FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E8CC00no red cones; affects about 1% of men; ΔE 33.6 from the original
Deuteranopia#E1CA2Dno green cones; the most common form, about 1% of men; ΔE 32.8 from the original
Tritanopia#B2D0BAno blue cones; rare, and affects men and women equally; ΔE 76.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.64:1WCAG large text: Fail
Contrast with black, large text12.82:1WCAG large text: AAA

Named colours

Yellow green · ΔE 14.4Green yellow · ΔE 16.7Yellow · ΔE 28Lawn green · ΔE 29.6Chartreuse · ΔE 30.2Limegreen · ΔE 34.3
Nearest named CSS colourYellow green (#9ACD32)ΔE 14.39, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3200DB
Analogous#DBA000, #3BDB00
Triadic#00A9DB, #DB00A9
Split complementary#003BDB, #A000DB
Tetradic#00DBA0, #3200DB, #DB003B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBFFA8
Lighter +30%#DFFF75
Lighter +20%#D4FF42
Lighter +10%#C8FF0F
Darker −10%#82A800
Darker −20%#5A7500
Darker −30%#334200
Darker −40%#0C0F00
More saturated +25%#A9DB00
Less saturated −25%#9AC01B

Channel breakdown

R169
G219
B0
Red169 (66.3%)
Green219 (85.9%)
Blue0 (0%)
Hue73.7°
Saturation (HSL)100%
Lightness42.94%
Dominant channelGreen
Hex per channelR A9 · G DB · B 00

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Every value on this page was computed from “a9db00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.