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Recognised as Colour

#21AF30

  • #21AF30
  • Green
  • Dark
  • Nearest: Limegreen

#21AF30 is a green with RGB values 33, 175, 48 and HSL 126°, 68%, 41%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#21AF30#21AF30
HEX#21AF30
RGBrgb(33, 175, 48)
RGB (0–1)0.1294, 0.6863, 0.1882
RGB percentages12.9%, 68.6%, 18.8%
HSLhsl(126.3, 68.3%, 40.8%)
HSV / HSBhsv(126.3, 81.1%, 68.6%)
CMYK81.1%, 0%, 72.6%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,207,536
CSS custom property--colour: #21AF30;

Brightness & contrast

Relative luminance0.31197WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.24:1
Contrast with white2.9:1WCAG normal text: Fail
Contrast with black7.24:1WCAG normal text: AAA
Greyscale equivalent#888888
Inverted#DE50CF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B29E1Ano red cones; affects about 1% of men; ΔE 55.9 from the original
Deuteranopia#A3943Dno green cones; the most common form, about 1% of men; ΔE 55.2 from the original
Tritanopia#00AA96no blue cones; rare, and affects men and women equally; ΔE 55.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.9:1WCAG large text: Fail
Contrast with black, large text7.24:1WCAG large text: AAA

Named colours

Limegreen · ΔE 15.3Forest green · ΔE 17.6Green · ΔE 18.7Yellow green · ΔE 30Medium seagreen · ΔE 30.4Spring green · ΔE 31.1
Nearest named CSS colourLimegreen (#32CD32)ΔE 15.3, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF21A0
Analogous#59AF21, #21AF77
Triadic#3021AF, #AF3021
Split complementary#7721AF, #AF2159
Tetradic#2159AF, #AF21A0, #AF7721

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADEFB4
Lighter +30%#82E78C
Lighter +20%#57DF65
Lighter +10%#2CD73E
Darker −10%#198424
Darker −20%#115918
Darker −30%#092E0D
Darker −40%#010301
More saturated +25%#07C91B
Less saturated −25%#3B9545

Channel breakdown

R33
G175
B48
Red33 (12.9%)
Green175 (68.6%)
Blue48 (18.8%)
Hue126.34°
Saturation (HSL)68.27%
Lightness40.78%
Dominant channelGreen
Hex per channelR 21 · G AF · B 30

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Every value on this page was computed from “21af30” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.