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Recognised as Colour

#A8D321

  • #A8D321
  • Green
  • Light
  • Nearest: Yellow green

#A8D321 is a green with RGB values 168, 211, 33 and HSL 74°, 73%, 48%. It is a light colour, so black text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#A8D321#A8D321
HEX#A8D321
RGBrgb(168, 211, 33)
RGB (0–1)0.6588, 0.8275, 0.1294
RGB percentages65.9%, 82.7%, 12.9%
HSLhsl(74.5, 73%, 47.8%)
HSV / HSBhsv(74.5, 84.4%, 82.7%)
CMYK20.4%, 0%, 84.4%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,064,097
CSS custom property--colour: #A8D321;

Brightness & contrast

Relative luminance0.55023WCAG 2.x, 0 is black and 1 is white
Perceived brightness186.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12:1
Contrast with white1.75:1WCAG normal text: Fail
Contrast with black12:1WCAG normal text: AAA
Greyscale equivalent#BDBDBD
Inverted#572CDE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E0C500no red cones; affects about 1% of men; ΔE 30.6 from the original
Deuteranopia#DAC337no green cones; the most common form, about 1% of men; ΔE 29.9 from the original
Tritanopia#B1C8B4no blue cones; rare, and affects men and women equally; ΔE 70.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.75:1WCAG large text: Fail
Contrast with black, large text12:1WCAG large text: AAA

Named colours

Yellow green · ΔE 7.9Green yellow · ΔE 22.5Yellow · ΔE 31Limegreen · ΔE 34.2Olivedrab · ΔE 35.1Lawn green · ΔE 35.3
Nearest named CSS colourYellow green (#9ACD32)ΔE 7.88, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4C21D3
Analogous#D3A521, #4FD321
Triadic#21A8D3, #D321A8
Split complementary#214FD3, #A521D3
Tetradic#21D3A5, #4C21D3, #D3214F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECF7C9
Lighter +30%#DCF09D
Lighter +20%#CCE971
Lighter +10%#BCE245
Darker −10%#85A71A
Darker −20%#627B13
Darker −30%#3F4F0C
Darker −40%#1C2305
More saturated +25%#B8F102
Less saturated −25%#98B43F

Channel breakdown

R168
G211
B33
Red168 (65.9%)
Green211 (82.7%)
Blue33 (12.9%)
Hue74.49°
Saturation (HSL)72.95%
Lightness47.84%
Dominant channelGreen
Hex per channelR A8 · G D3 · B 21

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Every value on this page was computed from “a8d321” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.