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Recognised as Colour

#83DD21

  • #83DD21
  • Green
  • Light
  • Nearest: Green yellow

#83DD21 is a green with RGB values 131, 221, 33 and HSL 89°, 74%, 50%. It is a light colour, so black text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Green yellow.

Colour values

#83DD21#83DD21
HEX#83DD21
RGBrgb(131, 221, 33)
RGB (0–1)0.5137, 0.8667, 0.1294
RGB percentages51.4%, 86.7%, 12.9%
HSLhsl(88.7, 74%, 49.8%)
HSV / HSBhsv(88.7, 85.1%, 86.7%)
CMYK40.7%, 0%, 85.1%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,641,825
CSS custom property--colour: #83DD21;

Brightness & contrast

Relative luminance0.56648WCAG 2.x, 0 is black and 1 is white
Perceived brightness184.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.33:1
Contrast with white1.7:1WCAG normal text: Fail
Contrast with black12.33:1WCAG normal text: AAA
Greyscale equivalent#BCBCBC
Inverted#7C22DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E6CB00no red cones; affects about 1% of men; ΔE 47.9 from the original
Deuteranopia#DAC43Bno green cones; the most common form, about 1% of men; ΔE 47.3 from the original
Tritanopia#83D4BCno blue cones; rare, and affects men and women equally; ΔE 73.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.7:1WCAG large text: Fail
Contrast with black, large text12.33:1WCAG large text: AAA

Named colours

Green yellow · ΔE 14.5Yellow green · ΔE 17.6Limegreen · ΔE 19.7Lawn green · ΔE 20.1Chartreuse · ΔE 21.2Lime · ΔE 34.7
Nearest named CSS colourGreen yellow (#ADFF2F)ΔE 14.51, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B21DD
Analogous#DDD921, #25DD21
Triadic#2183DD, #DD2183
Split complementary#2125DD, #D921DD
Tetradic#21DDD9, #7B21DD, #DD2125

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6F8D2
Lighter +30%#CDF2A5
Lighter +20%#B4EB79
Lighter +10%#9CE44D
Darker −10%#69B11A
Darker −20%#4E8414
Darker −30%#34580D
Darker −40%#1A2C06
More saturated +25%#84FD01
Less saturated −25%#82BD41

Channel breakdown

R131
G221
B33
Red131 (51.4%)
Green221 (86.7%)
Blue33 (12.9%)
Hue88.72°
Saturation (HSL)74.02%
Lightness49.8%
Dominant channelGreen
Hex per channelR 83 · G DD · B 21

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Every value on this page was computed from “83dd21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.