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Recognised as Colour

#173C17

  • #173C17
  • Green
  • Dark
  • Nearest: Dark olivegreen

#173C17 is a green with RGB values 23, 60, 23 and HSL 120°, 45%, 16%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#173C17#173C17
HEX#173C17
RGBrgb(23, 60, 23)
RGB (0–1)0.0902, 0.2353, 0.0902
RGB percentages9%, 23.5%, 9%
HSLhsl(120, 44.6%, 16.3%)
HSV / HSBhsv(120, 61.7%, 23.5%)
CMYK61.7%, 0%, 61.7%, 76.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,522,711
CSS custom property--colour: #173C17;

Brightness & contrast

Relative luminance0.03476WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.39:1
Contrast with white12.39:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#E8C3E8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D3614no red cones; affects about 1% of men; ΔE 20.6 from the original
Deuteranopia#38331Ano green cones; the most common form, about 1% of men; ΔE 20.4 from the original
Tritanopia#113A34no blue cones; rare, and affects men and women equally; ΔE 20.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.39:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 23.8Dark slate grey · ΔE 26.6Dark green · ΔE 34.4Sea green · ΔE 34.4Black · ΔE 36.5Dim grey · ΔE 36.9
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 23.83, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3C173C
Analogous#293C17, #173C29
Triadic#17173C, #3C1717
Split complementary#29173C, #3C1729
Tetradic#17293C, #3C173C, #3C2917

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5EC15E
Lighter +30%#41AB41
Lighter +20%#338633
Lighter +10%#256125
Darker −10%#091709
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0D460D
Less saturated −25%#213221

Channel breakdown

R23
G60
B23
Red23 (9%)
Green60 (23.5%)
Blue23 (9%)
Hue120°
Saturation (HSL)44.58%
Lightness16.27%
Dominant channelGreen
Hex per channelR 17 · G 3C · B 17

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Every value on this page was computed from “173c17” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.