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Recognised as Colour

#313B33

  • #313B33
  • Green
  • Dark
  • Nearest: Dark slate grey

#313B33 is a green with RGB values 49, 59, 51 and HSL 132°, 9%, 21%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#313B33#313B33
HEX#313B33
RGBrgb(49, 59, 51)
RGB (0–1)0.1922, 0.2314, 0.2
RGB percentages19.2%, 23.1%, 20%
HSLhsl(132, 9.3%, 21.2%)
HSV / HSBhsv(132, 16.9%, 23.1%)
CMYK16.9%, 0%, 13.6%, 76.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,226,419
CSS custom property--colour: #313B33;

Brightness & contrast

Relative luminance0.0402WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.64:1
Contrast with white11.64:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#CEC4CC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B3933no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#393833no green cones; the most common form, about 1% of men; ΔE 5.4 from the original
Tritanopia#303B39no blue cones; rare, and affects men and women equally; ΔE 4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.64:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.9Dim grey · ΔE 21.8Black · ΔE 24.8Gray · ΔE 30.7Slate grey · ΔE 32.6Dark olivegreen · ΔE 35.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.9, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3B3139
Analogous#343B31, #313B38
Triadic#33313B, #3B3331
Split complementary#38313B, #3B3134
Tetradic#31343B, #3B3139, #3B3831

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#93A597
Lighter +30%#778E7C
Lighter +20%#5F7363
Lighter +10%#48574B
Darker −10%#1A1F1B
Darker −20%#030303
Darker −30%#000000
Darker −40%#000000
More saturated +25%#24492B
Less saturated −25%#363636

Channel breakdown

R49
G59
B51
Red49 (19.2%)
Green59 (23.1%)
Blue51 (20%)
Hue132°
Saturation (HSL)9.26%
Lightness21.18%
Dominant channelGreen
Hex per channelR 31 · G 3B · B 33

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Every value on this page was computed from “313b33” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.