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Recognised as Colour

#31511F

  • #31511F
  • Green
  • Dark
  • Nearest: Dark olivegreen

#31511F is a green with RGB values 49, 81, 31 and HSL 98°, 45%, 22%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#31511F#31511F
HEX#31511F
RGBrgb(49, 81, 31)
RGB (0–1)0.1922, 0.3176, 0.1216
RGB percentages19.2%, 31.8%, 12.2%
HSLhsl(98.4, 44.6%, 22%)
HSV / HSBhsv(98.4, 61.7%, 31.8%)
CMYK39.5%, 0%, 61.7%, 68.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,232,031
CSS custom property--colour: #31511F;

Brightness & contrast

Relative luminance0.06637WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.02:1
Contrast with white9.02:1WCAG normal text: AAA
Contrast with black2.33:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#CEAEE0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#544B1Ano red cones; affects about 1% of men; ΔE 19.6 from the original
Deuteranopia#4F4823no green cones; the most common form, about 1% of men; ΔE 19.4 from the original
Tritanopia#304E46no blue cones; rare, and affects men and women equally; ΔE 25.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.02:1WCAG large text: AAA
Contrast with black, large text2.33:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 12.9Dark green · ΔE 27.4Sea green · ΔE 27.6Dark slate grey · ΔE 30.9Olivedrab · ΔE 34.5Dim grey · ΔE 36.2
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 12.86, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3F1F51
Analogous#4A511F, #1F5126
Triadic#1F3151, #511F31
Split complementary#261F51, #511F4A
Tetradic#1F4A51, #3F1F51, #51261F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#92C973
Lighter +30%#75BB4E
Lighter +20%#5E9B3B
Lighter +10%#47762D
Darker −10%#1B2C11
Darker −20%#040703
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2D5F11
Less saturated −25%#35432D

Channel breakdown

R49
G81
B31
Red49 (19.2%)
Green81 (31.8%)
Blue31 (12.2%)
Hue98.4°
Saturation (HSL)44.64%
Lightness21.96%
Dominant channelGreen
Hex per channelR 31 · G 51 · B 1F

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Every value on this page was computed from “31511f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.