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Recognised as Colour

#183F12

  • #183F12
  • Green
  • Dark
  • Nearest: Dark olivegreen

#183F12 is a green with RGB values 24, 63, 18 and HSL 112°, 56%, 16%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#183F12#183F12
HEX#183F12
RGBrgb(24, 63, 18)
RGB (0–1)0.0941, 0.2471, 0.0706
RGB percentages9.4%, 24.7%, 7.1%
HSLhsl(112, 55.6%, 15.9%)
HSV / HSBhsv(112, 71.4%, 24.7%)
CMYK61.9%, 0%, 71.4%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,589,010
CSS custom property--colour: #183F12;

Brightness & contrast

Relative luminance0.03793WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.94:1
Contrast with white11.94:1WCAG normal text: AAA
Contrast with black1.76:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#E7C0ED

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#41390Dno red cones; affects about 1% of men; ΔE 22.2 from the original
Deuteranopia#3C3616no green cones; the most common form, about 1% of men; ΔE 21.9 from the original
Tritanopia#133D36no blue cones; rare, and affects men and women equally; ΔE 24.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.94:1WCAG large text: AAA
Contrast with black, large text1.76:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 21.4Dark green · ΔE 30.1Dark slate grey · ΔE 30.5Sea green · ΔE 32.7Dim grey · ΔE 39.6Black · ΔE 40.4
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 21.42, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#39123F
Analogous#2F3F12, #123F23
Triadic#12183F, #3F1218
Split complementary#22123F, #3F122F
Tetradic#122F3F, #39123F, #3F2312

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#61CD50
Lighter +30%#45B634
Lighter +20%#368E29
Lighter +10%#27671D
Darker −10%#091707
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#114908
Less saturated −25%#1F351C

Channel breakdown

R24
G63
B18
Red24 (9.4%)
Green63 (24.7%)
Blue18 (7.1%)
Hue112°
Saturation (HSL)55.56%
Lightness15.88%
Dominant channelGreen
Hex per channelR 18 · G 3F · B 12

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Every value on this page was computed from “183f12” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.