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Recognised as Colour

#A4D100

  • #A4D100
  • Green
  • Light
  • Nearest: Yellow green

#A4D100 is a green with RGB values 164, 209, 0 and HSL 73°, 100%, 41%. It is a light colour, so black text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#A4D100#A4D100
HEX#A4D100
RGBrgb(164, 209, 0)
RGB (0–1)0.6431, 0.8196, 0
RGB percentages64.3%, 82%, 0%
HSLhsl(72.9, 100%, 41%)
HSV / HSBhsv(72.9, 100%, 82%)
CMYK21.5%, 0%, 100%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,801,408
CSS custom property--colour: #A4D100;

Brightness & contrast

Relative luminance0.53493WCAG 2.x, 0 is black and 1 is white
Perceived brightness183.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.7:1
Contrast with white1.8:1WCAG normal text: Fail
Contrast with black11.7:1WCAG normal text: AAA
Greyscale equivalent#B8B8B8
Inverted#5B2EFF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DEC300no red cones; affects about 1% of men; ΔE 31.4 from the original
Deuteranopia#D8C12Ano green cones; the most common form, about 1% of men; ΔE 30.9 from the original
Tritanopia#ADC6B2no blue cones; rare, and affects men and women equally; ΔE 74.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.8:1WCAG large text: Fail
Contrast with black, large text11.7:1WCAG large text: AAA

Named colours

Yellow green · ΔE 11.1Green yellow · ΔE 21.1Yellow · ΔE 29.9Lawn green · ΔE 33.3Chartreuse · ΔE 34.1Limegreen · ΔE 34.4
Nearest named CSS colourYellow green (#9ACD32)ΔE 11.06, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2D00D1
Analogous#D19600, #3BD100
Triadic#00A4D1, #D100A4
Split complementary#003BD1, #9600D1
Tetradic#00D196, #2D00D1, #D1003B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAFF9E
Lighter +30%#DFFF6B
Lighter +20%#D4FF38
Lighter +10%#C9FF05
Darker −10%#7C9E00
Darker −20%#546B00
Darker −30%#2C3800
Darker −40%#040500
More saturated +25%#A4D100
Less saturated −25%#95B71A

Channel breakdown

R164
G209
B0
Red164 (64.3%)
Green209 (82%)
Blue0 (0%)
Hue72.92°
Saturation (HSL)100%
Lightness40.98%
Dominant channelGreen
Hex per channelR A4 · G D1 · B 00

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Every value on this page was computed from “a4d100” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.