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Recognised as Colour

#175B2A

  • #175B2A
  • Green
  • Dark
  • Nearest: Dark olivegreen

#175B2A is a green with RGB values 23, 91, 42 and HSL 137°, 60%, 22%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#175B2A#175B2A
HEX#175B2A
RGBrgb(23, 91, 42)
RGB (0–1)0.0902, 0.3569, 0.1647
RGB percentages9%, 35.7%, 16.5%
HSLhsl(136.8, 59.6%, 22.4%)
HSV / HSBhsv(136.8, 74.7%, 35.7%)
CMYK74.7%, 0%, 53.8%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,530,666
CSS custom property--colour: #175B2A;

Brightness & contrast

Relative luminance0.07831WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.18:1
Contrast with white8.18:1WCAG normal text: AAA
Contrast with black2.57:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#E8A4D5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C5326no red cones; affects about 1% of men; ΔE 30.4 from the original
Deuteranopia#544D2Eno green cones; the most common form, about 1% of men; ΔE 30.8 from the original
Tritanopia#005950no blue cones; rare, and affects men and women equally; ΔE 24.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.18:1WCAG large text: AAA
Contrast with black, large text2.57:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 18.5Sea green · ΔE 19.3Dark green · ΔE 22.4Forest green · ΔE 33Dark slate grey · ΔE 33.5Teal · ΔE 34.2
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 18.49, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B1748
Analogous#265B17, #175B4C
Triadic#2A175B, #5B2A17
Split complementary#4C175B, #5B1726
Tetradic#17265B, #5B1748, #5B4C17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#66D886
Lighter +30%#3DCE66
Lighter +20%#2CAC50
Lighter +10%#21843D
Darker −10%#0D3217
Darker −20%#020A04
Darker −30%#000000
Darker −40%#000000
More saturated +25%#096924
Less saturated −25%#254D30

Channel breakdown

R23
G91
B42
Red23 (9%)
Green91 (35.7%)
Blue42 (16.5%)
Hue136.76°
Saturation (HSL)59.65%
Lightness22.35%
Dominant channelGreen
Hex per channelR 17 · G 5B · B 2A

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Every value on this page was computed from “175b2a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.