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Recognised as Colour

#A9DB04

  • #A9DB04
  • Green
  • Light
  • Nearest: Yellow green

#A9DB04 is a green with RGB values 169, 219, 4 and HSL 74°, 96%, 44%. 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

#A9DB04#A9DB04
HEX#A9DB04
RGBrgb(169, 219, 4)
RGB (0–1)0.6627, 0.8588, 0.0157
RGB percentages66.3%, 85.9%, 1.6%
HSLhsl(74, 96.4%, 43.7%)
HSV / HSBhsv(74, 98.2%, 85.9%)
CMYK22.8%, 0%, 98.2%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,131,652
CSS custom property--colour: #A9DB04;

Brightness & contrast

Relative luminance0.59107WCAG 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#5624FB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E8CC00no red cones; affects about 1% of men; ΔE 33.6 from the original
Deuteranopia#E1CA2Eno 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 76.4 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 14.1Green yellow · ΔE 16.8Yellow · ΔE 28.2Lawn green · ΔE 29.7Chartreuse · ΔE 30.3Limegreen · ΔE 34.1
Nearest named CSS colourYellow green (#9ACD32)ΔE 14.05, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3604DB
Analogous#DBA204, #3DDB04
Triadic#04A9DB, #DB04A9
Split complementary#043EDB, #A204DB
Tetradic#04DBA2, #3604DB, #DB043D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBFEAD
Lighter +30%#DFFD7B
Lighter +20%#D2FC49
Lighter +10%#C6FB17
Darker −10%#82A903
Darker −20%#5C7702
Darker −30%#354501
Darker −40%#0E1300
More saturated +25%#ABDF00
Less saturated −25%#9ABF20

Channel breakdown

R169
G219
B4
Red169 (66.3%)
Green219 (85.9%)
Blue4 (1.6%)
Hue73.95°
Saturation (HSL)96.41%
Lightness43.73%
Dominant channelGreen
Hex per channelR A9 · G DB · B 04

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Every value on this page was computed from “a9db04” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.