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Recognised as Colour

#31391A

  • #31391A
  • Green
  • Dark
  • Nearest: Dark slate grey

#31391A is a green with RGB values 49, 57, 26 and HSL 75°, 37%, 16%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#31391A#31391A
HEX#31391A
RGBrgb(49, 57, 26)
RGB (0–1)0.1922, 0.2235, 0.102
RGB percentages19.2%, 22.4%, 10.2%
HSLhsl(75.5, 37.3%, 16.3%)
HSV / HSBhsv(75.5, 54.4%, 22.4%)
CMYK14%, 0%, 54.4%, 77.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,225,882
CSS custom property--colour: #31391A;

Brightness & contrast

Relative luminance0.03654WCAG 2.x, 0 is black and 1 is white
Perceived brightness52 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.13:1
Contrast with white12.13:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#CEC6E5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C3617no red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#3B361Cno green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#333632no blue cones; rare, and affects men and women equally; ΔE 17.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.13:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 23.6Dark olivegreen · ΔE 25.2Dim grey · ΔE 29.9Black · ΔE 30.4Gray · ΔE 37.2Teal · ΔE 41.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 23.65, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#221A39
Analogous#39321A, #21391A
Triadic#1A3139, #391A31
Split complementary#1A2139, #321A39
Tetradic#1A3932, #221A39, #391A21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4B966
Lighter +30%#8BA24A
Lighter +20%#6D7F3A
Lighter +10%#4F5C2A
Darker −10%#13160A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#364310
Less saturated −25%#2C2F24

Channel breakdown

R49
G57
B26
Red49 (19.2%)
Green57 (22.4%)
Blue26 (10.2%)
Hue75.48°
Saturation (HSL)37.35%
Lightness16.27%
Dominant channelGreen
Hex per channelR 31 · G 39 · B 1A

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Every value on this page was computed from “31391a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.