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Recognised as Colour

#173F0F

  • #173F0F
  • Green
  • Dark
  • Nearest: Dark olivegreen

#173F0F is a green with RGB values 23, 63, 15 and HSL 110°, 62%, 15%. It is a dark colour, so white text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#173F0F#173F0F
HEX#173F0F
RGBrgb(23, 63, 15)
RGB (0–1)0.0902, 0.2471, 0.0588
RGB percentages9%, 24.7%, 5.9%
HSLhsl(110, 61.5%, 15.3%)
HSV / HSBhsv(110, 76.2%, 24.7%)
CMYK63.5%, 0%, 76.2%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,523,471
CSS custom property--colour: #173F0F;

Brightness & contrast

Relative luminance0.03772WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.97:1
Contrast with white11.97:1WCAG normal text: AAA
Contrast with black1.75:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#E8C0F0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#413909no red cones; affects about 1% of men; ΔE 22.7 from the original
Deuteranopia#3C3513no green cones; the most common form, about 1% of men; ΔE 22.9 from the original
Tritanopia#123D35no blue cones; rare, and affects men and women equally; ΔE 25 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.97:1WCAG large text: AAA
Contrast with black, large text1.75:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 21.2Dark green · ΔE 28.8Dark slate grey · ΔE 32.1Sea green · ΔE 32.6Olivedrab · ΔE 40.8Dim grey · ΔE 40.9
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 21.19, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#370F3F
Analogous#2F3F0F, #0F3F1F
Triadic#0F173F, #3F0F17
Split complementary#1F0F3F, #3F0F2F
Tetradic#0F2F3F, #370F3F, #3F1F0F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5ED347
Lighter +30%#44BB2C
Lighter +20%#359123
Lighter +10%#266819
Darker −10%#081605
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#114905
Less saturated −25%#1E3519

Channel breakdown

R23
G63
B15
Red23 (9%)
Green63 (24.7%)
Blue15 (5.9%)
Hue110°
Saturation (HSL)61.54%
Lightness15.29%
Dominant channelGreen
Hex per channelR 17 · G 3F · B 0F

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Every value on this page was computed from “173f0f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.