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Colour

#31553B

  • #31553B
  • Green
  • Dark
  • Nearest: Dark slate grey

#31553B is a green with RGB values 49, 85, 59 and HSL 137°, 27%, 26%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#31553B#31553B
HEX#31553B
RGBrgb(49, 85, 59)
RGB (0–1)0.1922, 0.3333, 0.2314
RGB percentages19.2%, 33.3%, 23.1%
HSLhsl(136.7, 26.9%, 26.3%)
HSV / HSBhsv(136.7, 42.4%, 33.3%)
CMYK42.4%, 0%, 30.6%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,233,083
CSS custom property--colour: #31553B;

Brightness & contrast

Relative luminance0.07466WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.42:1
Contrast with white8.42:1WCAG normal text: AAA
Contrast with black2.49:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#CEAAC4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#555039no red cones; affects about 1% of men; ΔE 17.7 from the original
Deuteranopia#504C3Cno green cones; the most common form, about 1% of men; ΔE 18.1 from the original
Tritanopia#2B544Eno blue cones; rare, and affects men and women equally; ΔE 12.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.42:1WCAG large text: AAA
Contrast with black, large text2.49:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.9Dark olivegreen · ΔE 21.6Dim grey · ΔE 25.3Teal · ΔE 26.7Sea green · ΔE 28.9Dark cyan · ΔE 30.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.88, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#55314B
Analogous#395531, #31554D
Triadic#3B3155, #553B31
Split complementary#4D3155, #553139
Tetradic#313955, #55314B, #554D31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#92C09F
Lighter +30%#72AD82
Lighter +20%#569668
Lighter +10%#447551
Darker −10%#1E3525
Darker −20%#0C140E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#206634
Less saturated −25%#424442

Channel breakdown

R49
G85
B59
Red49 (19.2%)
Green85 (33.3%)
Blue59 (23.1%)
Hue136.67°
Saturation (HSL)26.87%
Lightness26.27%
Dominant channelGreen
Hex per channelR 31 · G 55 · B 3B

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Every value on this page was computed from “31553b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.