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Recognised as Colour

#21AF49

  • #21AF49
  • Green
  • Dark
  • Nearest: Forest green

#21AF49 is a green with RGB values 33, 175, 73 and HSL 137°, 68%, 41%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Forest green.

Colour values

#21AF49#21AF49
HEX#21AF49
RGBrgb(33, 175, 73)
RGB (0–1)0.1294, 0.6863, 0.2863
RGB percentages12.9%, 68.6%, 28.6%
HSLhsl(136.9, 68.3%, 40.8%)
HSV / HSBhsv(136.9, 81.1%, 68.6%)
CMYK81.1%, 0%, 58.3%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,207,561
CSS custom property--colour: #21AF49;

Brightness & contrast

Relative luminance0.31464WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.29:1
Contrast with white2.88:1WCAG normal text: Fail
Contrast with black7.29:1WCAG normal text: AAA
Greyscale equivalent#898989
Inverted#DE50B6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B19F3Fno red cones; affects about 1% of men; ΔE 53.4 from the original
Deuteranopia#A29451no green cones; the most common form, about 1% of men; ΔE 53.6 from the original
Tritanopia#00AB99no blue cones; rare, and affects men and women equally; ΔE 45.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.88:1WCAG large text: Fail
Contrast with black, large text7.29:1WCAG large text: AAA

Named colours

Forest green · ΔE 15Green · ΔE 19.5Medium seagreen · ΔE 19.7Limegreen · ΔE 24.1Light green · ΔE 26.6Medium spring green · ΔE 29.2
Nearest named CSS colourForest green (#228B22)ΔE 15.02, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF2187
Analogous#40AF21, #21AF90
Triadic#4921AF, #AF4921
Split complementary#9021AF, #AF2140
Tetradic#2140AF, #AF2187, #AF9021

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADEFBF
Lighter +30%#82E79E
Lighter +20%#57DF7D
Lighter +10%#2CD75C
Darker −10%#198437
Darker −20%#115925
Darker −30%#092E13
Darker −40%#010301
More saturated +25%#07C93E
Less saturated −25%#3B9554

Channel breakdown

R33
G175
B73
Red33 (12.9%)
Green175 (68.6%)
Blue73 (28.6%)
Hue136.9°
Saturation (HSL)68.27%
Lightness40.78%
Dominant channelGreen
Hex per channelR 21 · G AF · B 49

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Every value on this page was computed from “21af49” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.