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Recognised as Colour

#A3CD21

  • #A3CD21
  • Green
  • Light
  • Nearest: Yellow green

#A3CD21 is a green with RGB values 163, 205, 33 and HSL 75°, 72%, 47%. It is a light colour, so black text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#A3CD21#A3CD21
HEX#A3CD21
RGBrgb(163, 205, 33)
RGB (0–1)0.6392, 0.8039, 0.1294
RGB percentages63.9%, 80.4%, 12.9%
HSLhsl(74.7, 72.3%, 46.7%)
HSV / HSBhsv(74.7, 83.9%, 80.4%)
CMYK20.5%, 0%, 83.9%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,734,881
CSS custom property--colour: #A3CD21;

Brightness & contrast

Relative luminance0.51559WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.31:1
Contrast with white1.86:1WCAG normal text: Fail
Contrast with black11.31:1WCAG normal text: AAA
Greyscale equivalent#B8B8B8
Inverted#5C32DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D9BF00no red cones; affects about 1% of men; ΔE 29.9 from the original
Deuteranopia#D4BE36no green cones; the most common form, about 1% of men; ΔE 29.1 from the original
Tritanopia#ACC2AFno blue cones; rare, and affects men and women equally; ΔE 69.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.86:1WCAG large text: Fail
Contrast with black, large text11.31:1WCAG large text: AAA

Named colours

Yellow green · ΔE 6Green yellow · ΔE 25Olivedrab · ΔE 32.3Yellow · ΔE 33.2Limegreen · ΔE 33.9Olive · ΔE 36.8
Nearest named CSS colourYellow green (#9ACD32)ΔE 6.03, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B21CD
Analogous#CDA121, #4DCD21
Triadic#21A3CD, #CD21A3
Split complementary#214DCD, #A121CD
Tetradic#21CDA1, #4B21CD, #CD214D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAF6C4
Lighter +30%#DAEF98
Lighter +20%#C9E76D
Lighter +10%#B9E041
Darker −10%#80A11A
Darker −20%#5D7513
Darker −30%#3A490C
Darker −40%#171D05
More saturated +25%#B2EB03
Less saturated −25%#94AF3F

Channel breakdown

R163
G205
B33
Red163 (63.9%)
Green205 (80.4%)
Blue33 (12.9%)
Hue74.65°
Saturation (HSL)72.27%
Lightness46.67%
Dominant channelGreen
Hex per channelR A3 · G CD · B 21

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Every value on this page was computed from “a3cd21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.