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Recognised as Colour

#18310D

  • #18310D
  • Green
  • Dark
  • Nearest: Dark olivegreen

#18310D is a green with RGB values 24, 49, 13 and HSL 102°, 58%, 12%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#18310D#18310D
HEX#18310D
RGBrgb(24, 49, 13)
RGB (0–1)0.0941, 0.1922, 0.051
RGB percentages9.4%, 19.2%, 5.1%
HSLhsl(101.7, 58.1%, 12.2%)
HSV / HSBhsv(101.7, 73.5%, 19.2%)
CMYK51%, 0%, 73.5%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,585,421
CSS custom property--colour: #18310D;

Brightness & contrast

Relative luminance0.0242WCAG 2.x, 0 is black and 1 is white
Perceived brightness40 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.15:1
Contrast with white14.15:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#E7CEF2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#332C09no red cones; affects about 1% of men; ΔE 16.4 from the original
Deuteranopia#2F2A10no green cones; the most common form, about 1% of men; ΔE 16 from the original
Tritanopia#172F29no blue cones; rare, and affects men and women equally; ΔE 19.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.15:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 27.2Dark slate grey · ΔE 27.5Black · ΔE 31.6Dim grey · ΔE 37.6Dark green · ΔE 38.8Sea green · ΔE 40.4
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 27.16, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#260D31
Analogous#2A310D, #0D3114
Triadic#0D1831, #310D18
Split complementary#140D31, #310D2A
Tetradic#0D2A31, #260D31, #31140D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#69CC3E
Lighter +30%#53AA2D
Lighter +20%#3F8222
Lighter +10%#2C5918
Darker −10%#040902
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#153905
Less saturated −25%#1B2915

Channel breakdown

R24
G49
B13
Red24 (9.4%)
Green49 (19.2%)
Blue13 (5.1%)
Hue101.67°
Saturation (HSL)58.06%
Lightness12.16%
Dominant channelGreen
Hex per channelR 18 · G 31 · B 0D

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Every value on this page was computed from “18310d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.