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Colour

#173A24

  • #173A24
  • Green
  • Dark
  • Nearest: Dark slate grey

#173A24 is a green with RGB values 23, 58, 36 and HSL 142°, 43%, 16%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#173A24#173A24
HEX#173A24
RGBrgb(23, 58, 36)
RGB (0–1)0.0902, 0.2275, 0.1412
RGB percentages9%, 22.7%, 14.1%
HSLhsl(142.3, 43.2%, 15.9%)
HSV / HSBhsv(142.3, 60.3%, 22.7%)
CMYK60.3%, 0%, 37.9%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,522,212
CSS custom property--colour: #173A24;

Brightness & contrast

Relative luminance0.03336WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.6:1
Contrast with white12.6:1WCAG normal text: AAA
Contrast with black1.67:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#E8C5DB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A3523no red cones; affects about 1% of men; ΔE 17.8 from the original
Deuteranopia#353225no green cones; the most common form, about 1% of men; ΔE 17.6 from the original
Tritanopia#0E3934no blue cones; rare, and affects men and women equally; ΔE 11.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.6:1WCAG large text: AAA
Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.3Dark olivegreen · ΔE 29.4Black · ΔE 30.1Dim grey · ΔE 31.4Teal · ΔE 34.1Dark cyan · ΔE 38.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.29, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3A172D
Analogous#1C3A17, #173A35
Triadic#24173A, #3A2417
Split complementary#35173A, #3A171C
Tetradic#171C3A, #3A172D, #3A3517

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5EBF82
Lighter +30%#42A868
Lighter +20%#348351
Lighter +10%#255F3B
Darker −10%#09150D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0D4421
Less saturated −25%#213027

Channel breakdown

R23
G58
B36
Red23 (9%)
Green58 (22.7%)
Blue36 (14.1%)
Hue142.29°
Saturation (HSL)43.21%
Lightness15.88%
Dominant channelGreen
Hex per channelR 17 · G 3A · B 24

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Every value on this page was computed from “173a24” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.