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Recognised as Colour

#1FAF21

  • #1FAF21
  • Green
  • Dark
  • Nearest: Limegreen

#1FAF21 is a green with RGB values 31, 175, 33 and HSL 121°, 70%, 40%. 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

#1FAF21#1FAF21
HEX#1FAF21
RGBrgb(31, 175, 33)
RGB (0–1)0.1216, 0.6863, 0.1294
RGB percentages12.2%, 68.6%, 12.9%
HSLhsl(120.8, 69.9%, 40.4%)
HSV / HSBhsv(120.8, 82.3%, 68.6%)
CMYK82.3%, 0%, 81.1%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,076,449
CSS custom property--colour: #1FAF21;

Brightness & contrast

Relative luminance0.31061WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.21:1
Contrast with white2.91:1WCAG normal text: Fail
Contrast with black7.21:1WCAG normal text: AAA
Greyscale equivalent#868686
Inverted#E050DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B39E00no red cones; affects about 1% of men; ΔE 57.1 from the original
Deuteranopia#A49333no green cones; the most common form, about 1% of men; ΔE 56.9 from the original
Tritanopia#00AA95no blue cones; rare, and affects men and women equally; ΔE 59.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.91:1WCAG large text: Fail
Contrast with black, large text7.21:1WCAG large text: AAA

Named colours

Limegreen · ΔE 12.3Green · ΔE 20.3Forest green · ΔE 20.7Yellow green · ΔE 29.1Spring green · ΔE 31.7Light green · ΔE 34.8
Nearest named CSS colourLimegreen (#32CD32)ΔE 12.33, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF1FAD
Analogous#65AF1F, #1FAF69
Triadic#211FAF, #AF211F
Split complementary#691FAF, #AF1F65
Tetradic#1F65AF, #AF1FAD, #AF691F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AAF0AB
Lighter +30%#7FE880
Lighter +20%#53E155
Lighter +10%#28D92B
Darker −10%#178419
Darker −20%#105811
Darker −30%#082D08
Darker −40%#000200
More saturated +25%#05C908
Less saturated −25%#39953A

Channel breakdown

R31
G175
B33
Red31 (12.2%)
Green175 (68.6%)
Blue33 (12.9%)
Hue120.83°
Saturation (HSL)69.9%
Lightness40.39%
Dominant channelGreen
Hex per channelR 1F · G AF · B 21

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Every value on this page was computed from “1faf21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.