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Colour

#31AA2B

  • #31AA2B
  • Green
  • Dark
  • Nearest: Forest green

#31AA2B is a green with RGB values 49, 170, 43 and HSL 117°, 60%, 42%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Forest green.

Colour values

#31AA2B#31AA2B
HEX#31AA2B
RGBrgb(49, 170, 43)
RGB (0–1)0.1922, 0.6667, 0.1686
RGB percentages19.2%, 66.7%, 16.9%
HSLhsl(117.2, 59.6%, 41.8%)
HSV / HSBhsv(117.2, 74.7%, 66.7%)
CMYK71.2%, 0%, 74.7%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,254,827
CSS custom property--colour: #31AA2B;

Brightness & contrast

Relative luminance0.29577WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.92:1
Contrast with white3.04:1WCAG normal text: Fail
Contrast with black6.92:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#CE55D4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AE9A12no red cones; affects about 1% of men; ΔE 52.5 from the original
Deuteranopia#A09039no green cones; the most common form, about 1% of men; ΔE 52.2 from the original
Tritanopia#0BA592no 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 text3.04:1WCAG large text: AA
Contrast with black, large text6.92:1WCAG large text: AAA

Named colours

Forest green · ΔE 14.9Green · ΔE 16.1Limegreen · ΔE 17.8Yellow green · ΔE 27.9Olivedrab · ΔE 29.3Medium seagreen · ΔE 29.8
Nearest named CSS colourForest green (#228B22)ΔE 14.86, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A42BAA
Analogous#70AA2B, #2BAA65
Triadic#2B31AA, #AA2B31
Split complementary#642BAA, #AA2B71
Tetradic#2B71AA, #A42BAA, #AA652B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7ECB5
Lighter +30%#90E28C
Lighter +20%#69D863
Lighter +10%#42CD3B
Darker −10%#258121
Darker −20%#1A5916
Darker −30%#0E300C
Darker −40%#020702
More saturated +25%#19C510
Less saturated −25%#498F46

Channel breakdown

R49
G170
B43
Red49 (19.2%)
Green170 (66.7%)
Blue43 (16.9%)
Hue117.17°
Saturation (HSL)59.62%
Lightness41.76%
Dominant channelGreen
Hex per channelR 31 · G AA · B 2B

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Every value on this page was computed from “31aa2b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.